判断下列句子是否正确,正确的写“T”,错误的写“F”,并改正
1.You'd better comes back before ten o'clock.( )
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2.Jim returned to home at nine o'clock last night ( )
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3.He has been several countries.( )
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4.Mr.Smith has always been a good teacher ( )
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5.Has he sell his old car?( )
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