20、They wanted to find a new plant which they believed______in the forest.

A.  was existed            B.  existing          C.  existed                          D.  to exist

19、I’m sorry.  Mr.  Smith.  I’ve broken your glasses.

--It doesn’t matter， Mark.  but you___________careful.

must be          B. should be          C. must have been         D. should have been

18、The factories are encouraged to have the latest technology_______the  producing of the products.

A.  to apply to             B.  to be applied for            C.  applying for           D.  applied to

17、You’re getting too old for basketball.  You’d better______table tennis instead.

A.  pick up           B.  take up           C.  make up                D.  keep up

16、________the heart________a pump，he got his friends to know the importance of it.

A.  Compared;to           B.  Comparing;with               C.  Comparing;to         D.  Compared;with

15、He won the first place in the competition  _______his parents very happy.

A.  to make          B.  making           C.  made                            D.  to be made

14、--What’s your favourite sport?

--Skiing. _______________.

A.  I get a kick out of it                                    B.  I can manage it                    

C.  I choose it                                                 D.  I’m used to it

13、The country is changing very quickly, and many of the old traditions are_________  ________(灭绝；消亡).

三、选择题

（每空？ 分，共？ 分）

12、Entering the garden, you will find the apple trees are  ___________  ___________(有大量的；缀满了)fruits.

11、He gave me a _________ _____________  _________(对…详细、完整的叙述，说明) his plan.