21. ______ full preparations, we decided to put off the meeting till next week.

　 A. We did not make　　　　　　　　　　　　　　　　 B. Having not made

　 C. We had not made　　　　　　　　　　　　　　　 D. Not having made

20. Only when they were told of the importance of time _____ wasting time is like wasting part of heir lives.

　 A. those boys realized　　　　　　　　　　　　　　 B. those boys had realized

　 C. had those boys realized　　　　　　　　　　　 D. did those boys realize

19. As we have known from the map of the world, this is ______.

　 A. twice as large an island as that　　　　　　 B. twice as larger as that

　 C. as twice large as that one　　　　　　　　　　　　　　 D. twice as a large island as that

18. My English teacher usually _______ the students into pairs to practice using new vocabulary.

　 A. breaks out　　　 　　　　　　　　　　　　　　　 B. breaks through

C. breaks up　　　 　　　　　　　　　　　　　　　　　 D. breaks down

17. It was really a ______ experience. Afterwards everybody was very ______.

　 A. terrifying; shocking　　　　　　　 　 B. terrifying; shocked

　 C. terrified; shocking　　　　　　 　　　　 D. terrified; shocked

16. She was found several hours later, _____ the streets, _____.

　 A. wandering; losing　　　　　　　　　　　　　　　　 B. wandered; losing

　 C. wandering; lost　　　　　　　　　 D. wandered; lost

15. Captain Cook commanded his men______ into the sea.

A. jump　　　　　　　　　 B. jumped　　　　　　　　　 C. had jumped　　 D. would jump

14. Should the opportunity_____, I’d love to go to Paris.

　 A. rise　　　 B. raise　　　　 C. arise　　　　　　　　 D. happen

13. _____ you and me, I don’t think there was anyone there under thirty.

　 A. Including　　　　　 B. Beside　 C. In addition　　 D. Apart from

12. I’d like to do something for you_____ everything you’ve done for me.

　 A. in exchange　　　 B. in turn 　C. in return for　　 D. in terms of