题目内容
--I don't know_________with his maths problem.
--Why not ________ John for advance? He is good at maths.
[ ]
A. how to do; to ask
B. how to do; ask
C. what to do; to ask
D. what to do; ask
答案:D
提示:
提示:
|
第一空用 what to do,因为do是及物动词, what作do的宾语;第二空前的why not相当于Why don't you,故后跟不带to的不定式. |
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