问题标题:
变否定句!Theycantakethesebookstobeclassroom
问题描述:
变否定句!Theycantakethesebookstobeclassroom
李俊二回答:
Theycannottakethesebookstobeclassroom.
有情态动词的变否定句直接在情态动词后面加not.
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