Find 常指找到丢失的东西、

Look for持续性的动作、

Find out经过打听，询问后搞清楚，弄明白

1.        Jim couldn’t          his hat.

2.        I can’t          my book.

3.        She is            her son.

4.        I’m            my watch.

5.        He can’t           his pen.

6.        What are you          ?

7.        I’m     my maths book. I can’t       it.

8.        I can      the truth of the fact.