题目内容
【题目】----Could you help me with the math problem? -----________. I'm too busy now.
A. Yes, please B. No, sure C. Yes, you could D. Sorry, I can't
【答案】D
【解析】句意:--你能帮我做数学题吗?--对不起,我现在太忙了。问句could you...表示请求的句子,不能用could来回答,否定回答用can’t,肯定回答用can,根据I'm too busy now.可知,这里应该用否定回答,故选D。
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