问题描述:
The students have their exams in July.(否定句,一般疑问句,肯定回答,否定回答)
The boy is working hard on his exams.(否定句,一般疑问句,肯定回答,否定回答)
The boy is working hard on his exams.(否定句,一般疑问句,肯定回答,否定回答)
问题解答:
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