题目内容
2.They have already visited the Science Museum.(改为一般疑问句)Havetheyvisited the Science Museumyet?
分析 他们已经参观过科学博物馆.
他们参观过科学博物馆吗?
解答 答案:Have…visited…yet.改一般疑问句:一提have; 二改 already改为yet;already用于肯定句,yet用于疑问句或否定句,故答案为:Have…visited…yet.
点评 此题考查现在完成时的一般疑问句,提前have/has 注意already改为yet即可
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