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 Mary quickly closed the door of her room _______ her father could reach it to keep him out.

A. before                  B. when          C. as             D. while

 You can take anything from the shelf and read, but please______ the books when you’ve finished with them.

A. put on           B. put down       C. put back        D. put off

 Mr. Green stood up in defense of 16-year-old boy, saying that he was not the one ______.
A. blamed                      B. blaming                   C.to blame                   D.to be blamed

 ______ should you give up learning English.

A. In no time          B. Not only                  C. No sooner         D. In no case

 -Do you feel like ______ there or shall we take a bus?

- I`d like to walk. But since there isn`t much time left. I`d rather you _______ a taxi.

A. walking; hired   B. walking; hire             C. to walk; hired  D. to walk; hire

 My demand is that the information referred to in my report _____ to Mr. Brown without delay.

A. to be e-mailed   B. e-mailed                   C. be e-mailed       D. being e-mailed

 _____ in writing a lecture speech on Chinese History, he didn’t hear anybody knocking at the door.

A. Having absorbed  B. To be absorbed       C. Absorbed         D. Absorbing

 There is no light on – they ______ be at home.
A. mustn’t          B. needn’t             C. can’t        D. shouldn’t

 ______to the sun for too long can hurt your skin.
A. Being exposed    B. To expose    C. Exposing     D. Exposed

 — How often do you eat out?   — ________ ，but usually once a week.

A. Have no idea   B. It depends   C. As usual      D. Generally speaking