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關閉窗口 2. —The light in the office is still on.
—Oh, I forgot _____.
A. turning it off B. turn it off
C. to turn it off D. having turned it off
3. —You were brave enough to raise objections at the meeting.
—Well, now I regret ______ that.
A. to do B. to be doing
C. to having done D. having done
4. —I regret ____ that I can’t help you.
—That’s all right.
A. say B. to say C. saying D. said
在表示已發生的動作時, 若句中含有具體的過去時間狀語, 則以用動名詞的一般式為宜：
I regret telling you about it yesterday. 我后悔昨天把此事告訴了你。
答案：1. C 2. C 3. D 4. B
7. stop等動詞后接不定式或動名詞含義不同
He was very tired so he stopped ______ a rest.
A. have B. to have C. having D. to having
此題應選B。在動詞stop(停止), go on(繼續)等之后, 接不定式或動詞的-ing形式都可以，但含義有差別：stop之后若接不定式, 表示停止正在做的事情而去做另外一件事(即去做不定式表示的動作);若接動詞的-ing形式, 則只表示停止正在做的事情(即停止-ing動詞所表示的動作)；go on 之后若接不定式，表示的是做完一件事情后, 接著做另外一件事(即做不定式所表示的動作)；若接動詞的-ing形式, 則表示繼續做正在做的事(即繼續做-ing動詞表示的動作)。如：
1. He reached the top of the hill and stopped ___ on a big rock by the side of the path.
A. to have rested B. resting C. to rest D. rest
2. They stopped ____, but there was no more sound.
A. listen B. listening C. to listen D. to have listened
3. When he saw us, he stopped____, got up and shook hands with us.
A. to read B. reading C. read D. to be reading
4. You can’t go on ____ all night without a rest.
A. to work B. working C. work D. to have worked
5. Go on _____ the other exercises after you have finished this one.
A. to do B. doing C. with D. to be doing
答案：1. C 2. C 3. B 4. B 5. A
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