There are a couple of matters which I want to ______ today for discussion.

A. bring up               B. build up               C. make up            D. put up

 If not ______, you’re allowed to return everything within 10 days for a full refund and no further duties.

A. to satisfy           B. being satisfied         C. satisfied             D. satisfying

 The numbers that researchers get from the experiments can be ______, just like number puzzles.

A. confusing          B. inspiring            C. worrying            D. disappointing

 When you meet a new word in reading the English papers, you can guess its meaning but needn’t always ______ the dictionary.

A. look up                       B. attach to                     C. pay attention to        D. refer to

 ______ production up by 60%, the company has had another excellent year.

   A. As                        B. For                      C. With                   D. Through

 To my understanding, a high school graduate has already reached a point in his/her life ______ he/she is supposed to make decisions of his/her own.

   A. which                   B. where                  C. how                   D. why

 We didn’t plan our art exhibition like that but it ______ very well.

   A. worked out          B. tried out                     C. went on             D. carried on

 At the beginning of class, the noise of desks ______ could be heard outside the classroom.

   A. opened and closed                                    B. to be opened and closed

   C. being opened and closed                         D. to open and close

 — Why does the lake smell terrible?

   — Because large quantities of water ______.

   A. have polluted      B. is being polluted  C. has been polluted  D. have been polluted

 Hiking is ______ great fun. You will get close to ______ nature and take exercise at the same time.

   A. a; the                  B. a; 不填                C. 不填; the           D. 不填; 不填