49.The machines are made ______ at full speed.
a. work b. working c. to work d. to be worked
50.It is certain that men will never stop ______ new energy sources to power their growing industry.
a. finding b. to find c. having found d. found
51.It is really quite extraordinary that we should have been at the same college without ______ before.
a. met b. being met c. having met d. having been met
52.Professor Smith is said ______ another important discovery in chemistry.
a. having made b. having been made c. to have made d. to make
53.Without the sun’s light ______ the earth’s surface, it would be so cold that life could not exist on the earth.
a. warms b. warmed c. warming d. to warm
54.The rocket will weigh about 200 tons when ______.
a. being completed b. completed completing d. have been completed
55.There are plans ______ a number of atomic power station in this regions.
a. to build b. to be built c. building d. being built
56.All of us are looking forward to ______ a trip to the Ming Tombs.
a. make b. making c. to making d. have made
57.I can’t understand ______ a decision until it is too late.
a. him to postpone to make b. his postponing to make
c. him to postponing making d. his postponing making
58.I would like ______ that I don’t have a very high opinion of you.
a. to have you know b. have you know
c. to have your known d. having you know
59.I had intended ______ him while he was living at Aberdeen.
a. visiting b. visit c. to have visited d. having visited
60.Do you consider better _______ ?
a. not doing it again b. not do it again
c. not having done it again d. not to do it again
61.The famous scientist was easy _______ along with.
a. to get b. for getting c. getting d. got
62.The students will have more discussions like this in the weeks _____.
a. coming b. to come c. come d. to be coming
63.He felt lonely at first, but after a time he got ______ alone and even got ______ it.
a. used to living…to like b. used to live… to like
c. using to live…liking d. to be used to living…liking
64.Our master raised his voice so that the could make himself ______ by the pupils in the back of the hall.
a. hear b. heard c. hearing d. to be heard
65.When he awoke, he found himself ______ in the hospital and ______ by an old woman.
a. lying…being looked after b. lying…be looking after
c. lie…be looked after d. lie…being looked after
66.______ from the hill-top the lake scenery is beyond description.
a. To see b. Seeing c. Seen d. Having seen
67.______ in the strange forest, the poor girls fell to ______.
a. Lost…crying b. Lost…cry c. To lost…cry d. Having been lost…crying
68.They’ll have you ______ if you don’t pay your taxes.
a. to be arrested b. arrest c. arrested d. being arrested
69.All flights ______ because of the storm, they decided to take the train.
a. having cancelled b. were cancelled
c. have been cancelled d. having been cancelled
70.Although it was very late when John began doing the job, he managed with his friend’s assistance, ______ before the building was locked.
a. to be finished b. being finished c. finishing d. to finish
71.Despite the earnest efforts of various private groups as well as government agencies, many of the problems have not yet been solved, and much remains to ______.
a. have been done b. be done c. have done d. do
72.______ that bad weather was on the way, the climbers decided to put off their attempt on Eiger until the following week.
a. Having told b. Being told c. Telling d. Having been told
73.Members of the Government itself acknowledge many of their predictions _______ wildly over-optimistic.
a. to be b. being c. to have been d. having been
74.The match was cancelled because most of the members ______ a match without a standard court.
a. objected to having b. objected to have
c. were objected to have d. were objected to having
75.The teacher doesn’t permit ______ in class.
a. smoke b. smoking c. to smoke d. to have smoke
76.I like watching TV ______ to the cinema.
a. more than to go b. more than going
c. than going d. rather than to go
77.The manager promised to keep me ______ of how our business was going on.
a. to be informed b. informed c. on informing d. informing
78.Mrs. Brown is supposed ______ for Italy last week.
a. to have left b. to leave c. to be leaving d. to have been left
79.Dorothy went to work quietly, ______ to work as hard as she could.
a. her mind being made up b. with her mind made up
c. with her mind making up d. he mind making up
80.Husband and wife with a common duty to the country will find themselves ______ closer together.
a. been drawn b. drawn c. to draw d. drawing
81.Here we found little snow, as most of it seemed ______ blown off the mountain.
a. to have been b. that it was c. to be d. that it had been
82.______ halfway through the exercise, the teacher changed his mind and collected all our papers.
a. When only being b. When we were only
c. Being only d. Having been
83.Some passengers are reading the morning paper, others are talking with one another, ______ nervously for the train.
a. to wait b. are waiting c. waiting d. being waited
84.There’s one thing I dislike about him: he will never admit ______ a mistake.
a. having made b. making c. being made d. have been made
85.Stan spent half a year ______ material for his new book.
a. to collect b. collect c. collecting d. collected
86.It’s no use ______ me not to worry.
a. you tell b. your telling c. for you to have told d. having told
87.The chairman insists that there be a meeting _______ within the shortest possible time.
a. to hold b. to be held c. to have been held d. to be holding
88.When the famous pianist was a child, he was accustomed ______ for several hours a day.
a. to practicing b. to practice c. to be practicing d. to have practiced.
89.In China hundreds of different dialects are spoken; people of some villages ______ themselves understood by the inhabitants of the next town.
a. making trouble have b. have making trouble
c. have trouble making d. trouble making have
90.It’s a wonderful place for anyone ______ in architecture, as you are.
a. interesting b. to be interested c. being interested d. interested

动名词不定式、分词练习答案
1 B 19 B 37 D 55 A 73 C
2 D 20 B 38 D 56 B 74 A
3 C 21 C 39 C 57 D 75 B 
4 C 22 B 40 C 58 A 76 B
5 B 23 C 41 C 59 B 77 B
6 C 24 A 42 C 60 D 78 A
7 B 25 B 43 A 61 A 79 B
8 C 26 D 44 D 62 B 80 B
9 A 27 B 45 C 63 A 81 A
10 C 28 A 46 A 64 B 82 B
11 B 29 C 47 B 65 A 83 C
12 C 30 D 48 C 66 C 84 A
13 D 31 A 49 C 67 A 85 C
14 B 32 B 50 A 68 C 86 B
15 D 33 C 51 D 69 D 87 B
16 B 34 B 52 C 70 D 88 A
17 D 35 D 53 C 71 B 89 C
18 D 36 A 54 B 72 D 90 D