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it is important that we should learn English well.
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It was he who(that)read three books in the library yesterday.
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It was three books that he read in the library yesterday.(强è°å®¾è¯)
It was in the library that he read three books yesterday. (强è°æ¶é´ç¶è¯)
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It was Tom who(that)I met last week.
It is a new bike that his brother wants to buy.
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