单选题
Why not ______ Professor Li for help? He is kind-hearted and willing to help.
A、
ask
B、
you ask
C、
to ask
D、
your asking
【正确答案】
A
【答案解析】
本题考查的是固定句型Why not do sth. /Why don't you do sth. 如： It's a good day today. Why not go for a walk? 今天天气不错，为什么不去散步呢?
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