单句改错
【小题1】He had studied at the University of Cambridge two years ago.
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【小题2】By the end of last month we have learnt ten English songs.
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【小题3】They arrived at the station by 10 o'clock yesterday.
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【小题4】My father had learned French for 2 years at the university, but he can hardly speak a word of it now.
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【小题5】He told me that there has been an argument between Mike and him.
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【小题6】Tom had collected more than 300 Chinese stamps by the time he had been seven.
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【小题7】I could see from her face that she heard this good news already.
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【小题8】I hoped to come to your party, but I was too busy then.
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【小题9】It is the first time that I had written to a foreign pen friend last night.
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【小题10】No sooner has he arrived than he went away again.
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