题目内容
【题目】Look! They________(have) an English class.
【答案】are having
【解析】look看，是现在进行时的标志词，现在进行时构成，be+doing.have-having.故答案为are having.
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题目内容
【题目】Look! They________(have) an English class.
【答案】are having
【解析】look看，是现在进行时的标志词，现在进行时构成，be+doing.have-having.故答案为are having.