3.     If you don't understand it,you may ______ (请教)your teacher.

2. This kind of fish doesn't need to be cooked. It can be eaten _________(生的).

单词拼写

1.     In order to stay ______ (苗条的），she eats very little every day.

19. However frequently       ， the works of Shakespeare always attract many people.

A. performed         B. performing

C. being performed     D.  to be performed

18. Imagine how excited we were       that our schoolmates had been admitted to some famous universities.

A. learning         B.   having learned

C. to be learning     D.  to learn

17.    all his courage, he invites Celine to get off the train with him.

A. To gather     B. Gathered

C. Gathering    D. Being gathered

16. The subway was crowded with passengers going home from  the  market ，   most of    carrying heavy bags and baskets full of fruit and vegetables they had bought there.

A. whom    B. them

C. who     D. which

15. The time and effort he has devoted during the past few years     trees in that remote area is now considered to be of great value.

A. to plant      B.  to planting

C. plant         D. planting

14. You cannot imagine a child   so cruelly.

A. to treat      B. being treated

C. treating      D. to be treated

13. We are excited that a satellite     10 tons was successfully placed in orbit yesterday.

A. weighed         B. weighing

C. to be weighed    D.  being weighed