1 . ________(prevent) the desertification, the government encourage local people to plant trees. (所给词的适当形式填空)

2 . ________ (acquire) the skills of playing the piano, you should spend as much time as you could practicing it. (所给词的适当形式填空)

3 . You should allow a little time after a meal for the food to d______ (消化). (根据中英文提示填空)

4 . He likes to play practical jokes ___(entertain) everyone.(所给词的适当形式填空)

5 . He called them several times to _____ (询问) about job possibilities. (根据汉语提示单词拼写)

6 . Ｉput forward this proposal ______________ (为了就…发表我的观点) how the work should be done. (根据汉语提示完成句子)

7 . __________________ （我想给出关于…的我的建议）holding more activities to call on people ____________________ (加强他们的环保意识) (根据汉语提示完成句子)

8 . It makes you want to watch the next episode to ________(弄明白) what’s going to happen. （根据汉语提示完成句子）

9 . ________(succeed), we must make good preparations for the coming football match. （所给词的适当形式填空）