题目内容
按要求完成下列句子
He dropped in at the museum for three hours.
(对画线部分提问)________ ________ did he _________ in at the museum?
答案:How;long;drop
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题目内容
按要求完成下列句子
He dropped in at the museum for three hours.
(对画线部分提问)________ ________ did he _________ in at the museum?