题目内容
【题目】Sam is quick(变为否定句)
【答案】Sam isn't quick.
【解析】句意:Sam很迅速。句子中有系动词be的句子,变否定句时,在系动词is后直接加not,缩写成isn't,所以答案是:Sam isn't quick.
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【题目】Sam is quick(变为否定句)
【答案】Sam isn't quick.
【解析】句意:Sam很迅速。句子中有系动词be的句子,变否定句时,在系动词is后直接加not,缩写成isn't,所以答案是:Sam isn't quick.