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最佳答案：Am I a teacher?(直接将be动词提前）I am not a teacher.（在be动词后加not）Can he go to school on
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最佳答案：1. He goes to school by bike. He doesn't goes to school by bike. Does he go to s
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最佳答案：英：Used he to be shy?—Yes,he used to.—No,he usedn't.美：Did he use to be shy?—Yse,h
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最佳答案：否定句：Mum and dad weren't at work.一般疑问句：Were mum and dad at work?肯定回答：Yes,they wer
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最佳答案：否定句：He is not an English boy.疑问句：Is he an English boy?回答：Yes,he is./No,he is not
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最佳答案：her aunt isn't an actress.Is her aunt an actress?yes,she is.no,she isn't.
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最佳答案：否定句是I haven't finished it yet
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最佳答案：疑问句：are u in class yes,we are no,we are not否 we are not in class5
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最佳答案：They don't want a baseballDo they want a baseball?yes,they dono,they don'twhat d
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最佳答案：一般疑问句和两种回答：Does she like pig masks?Yes,she does.No,she doesn't.否定句：She doesn't l