Ⅰ.单句语法填空
1．Mr.Smith used to smoke (smoke) a lot, but he has given it up now.
2．If you do so, you can do more work with fewer (few) people.
3．You were working too hard.You'd better keep a balance between work and relaxation.
4．Either you or I am (be) going to be in charge of this matter.
5．It's my turn to pick (pick) up my daughter from the kindergarten after work.
6．We Chinese have good reasons to be proud of our achievements in the past thirty years.
7．The closer (close) you stay to nature, the more you will appreciate her beauty.
8．You are supposed to ask (ask) for permission if you want to take photos in the museum.
9．There is still room for improvement in the future, especial in the area of security.
10．The astonished expression on his face suggested that he knew nothing about the astonishing news.(astonish)
