I. 单项选择（20分）
1. ［10义乌中考］—Mike, could you come and give me ______ hand?
—OK, Mum. I’m coming now.
A. a B. an C. the D. 不填
【解析】选A。give. . . a hand帮助……，固定搭配。
2. —Could you please go shopping with me this afternoon?
—Sorry, I_____ . I have to study for the math test.
A. couldn’t B. don’t C. can’t D. mustn’t
【解析】选C。could表示委婉请求时，其否定答语中用can’t, 而不用couldn’t。
3. ［10重庆中考］—Alice, is this your dictionary?
—Let me see. Oh, no.______ is in my school bag.
A. Myself B. Me C. My D. Mine
