________ at the result, the boss left without saying any word.

A. Having disappointed              B. Disappointing     

C. To be disappointed               D. Disappointed

 We must do whatever we can to ________ the river from being polluted any more.

A. separate        B. keep            C. prevent         D. guard

 It’s ________ accepted that men like playing football more than women.

A. especially        B. generally          C. simply          D. totally

 Don’t give up halfway, Andy. You’ll succeed ________ if you keep on working like this.

A. in return          B. on time       C. in time         D. by accident

 Going on a trip into ________ space must be quite ________ exciting experience.

A. /； the          B. the; the         C. the; an               D. /；an 

 — How often do you go to the cinema?

— ________, but usually twice a month.

A. It all depends   B. Have no idea    C. As usual         D. Not at all

—___ will get the first prize?    —I'm sure , Li Hua.

A. Who do you think    B. You think who   C. Do you think who   D. Whom do you think

 I want to know ___ the leather coat belongs to .

A. who       B. which     C. that        D. whom

 ___ Mary can come to the meeting is unknown.

A. Whether   B. If         C. That       D. Which

 ____ he always serves the people very well is known .

A. What       B. That      C. Which      D. Who