101．考查名词搭配。这里用tear...into pieces表示“把……撕成碎片”。句意：开始把杂志的封面撕成碎片。故填pieces。

102．考查状语从句。语境表示“在你做完之前不要来打扰我”，故用until或before引导时间状语从句。故填until/before。

103．考查时态。孩子说他把事情做完了，故用现在完成时表示从说话时为止已经完成了的动作。have finished。

104．考查名词性从句关系词。根据语境可知，爸爸问他的孩子怎么把世界地图拼得这么快。故填how。

105．考查代词。这里用代词It，That或This指代前面提到的“把这张图画粘贴到一起”这件事。故填It/That/This。

There are a few different stories behind the origin of the modern-day Christmas tree, although not all 106． (root) in fact. Evergreen trees were 107． (actual) used by people in winter festivals for thousands of years. During the winter solstice (冬至), evergreens signified the coming of spring. As Christianity spread throughout Europe, the trees began to be used as a symbol for Christmas. In mystery plays in Germany, they were often used as props (支柱), 108． (decorate) with apples to represent the Garden of Eden.