问题补充:
—Amy , I would like your uncle to help me repair the computer.
—Sorry, he help you today . He won’t come back until tomorrow.
A. shouldn’t
B. may not
C. can’t
D. mustn’t
答案:
A. shouldn’t
B. may not
(答案→)C. can’t
D. mustn’t
解析:句意:我想请你叔叔帮助我修理电脑。对不起,他今天不能帮助你,直到明天他才回来。A不应该B不可以C不能D千万别,表示禁止。故选C。