1 . The teachers have done all they can to __________ (激励) our creative thinking. （根据汉语提示单词拼写）

3 . Tom does exercise to s________ (加强) his muscles. (根据汉语提示单词拼写)

4 . We did all we could ________ (激励)his creative thinking. (根据汉语提示单词拼写)

5 . The old man pulled on him all that he could __________(bring) him closer. (所给词的适当形式填空)

6 . ______ (摆脱，丢弃，扔掉) his excess weight, the fat boy went on a diet. (根据汉语提示完成句子)

7 . ________ stress effectively, you must be sure to do something that completely takes your mind off everything else.

A．Absorbing

B．Being absorbed

C．Having absorbed

D．To absorb

8 . ______________(prevent) this from happening again, John Snow suggested that the sources of all the water supplies be examined.

10 . He came up with this question in three different ways in order to s________for an answer. (根据首字母单词拼写)