-Has your former classmate come back from America?-Yes ，he________there for eigh

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-Has your former classmate come back from America?
-Yes ，he________there for eight years.[     ]
A．has stayed
B．stays
C．stayed
D．had stayed

答案

举一反三

Only then        how much damage had been caused.    [      ]
A. had she realized
B. she realized
C. did she realize
D. she had realized

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So difficult       it to work out the problem that I decided to ask Tom for    advice.    [      ]
A. I did find
B. did I find
C. I have found
D. have I found

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根据所给汉语提示用含sight的短语的适当形式完成句子1. As soon as he _________(看到)the policeman, the thief ran away.
2. I have been known to faint________________(一看见……就……) blood.
3. He fell in love with her_________________(第一眼看到).

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根据汉语提示完成句子 Lightning___________________（在空中闪现）.

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用括号内动词的适当形式填空。①It"s high time that you __________(go) to school.
②This is the first time that I __________ (come) her.

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