Unforgettable experiences教案
____________ the program, they have to stay there for another two weeks .
a. not completing b. not completed
c. not having completed d. having not completed
【解析】現在分詞的完成式表示動作發生在謂語動詞以前, 其否定形式要在分詞的前面加not 。
【答案】c。
step 2 exercises
基礎鞏固
1. do you still remember the chicken farm __________ we visited three months ago ? （ 北京高考）
a. where b. when c. that d. what
2. __________ in the queue for half an hour , tom suddenly realized that he had left his wallet at home .（北京高考）
a. to wait b. have waited c. having waited d. to have waited
3. scientists say it may be five or six years _________ it is possible to test this medicine on human patients .（ 福建高考）
a. since b. after c. before d. when
4. there are two buildings , ___________ stands nearly a hundred feet high .（200 4湖北高考）
a. the larger b. the larger of them c. the larger one that d. the larger of which
5. ----sorry to have interrupted you .please go on .
----where was i ?
----you ________ you didn’t like your father’s job. （ 北京春招）
a. had said b. said c. were saying d. had been saying
6. it is believed that if a book is __________ it will surely _________ the reader .
a. interested; interest b. interesting; be interested
c. interested; be interesting d. interesting; interest
7. the sunlight came in _________ the windows in the roof and lit up the whole room . （上海高考）
a. through b. across c. on d. over
8. the parkers bought a new house but __________will need a lot of work before they can move in .