问题补充：
Why not your teacher for advice when you don’t know the problems?
A. ask; what to do with
B. to ask; how to deal with
C. ask; what to deal with
D. to ask; how to do with
答案：
(答案→)A. ask; what to do with
B. to ask; how to deal with
C. ask; what to deal with
D. to ask; how to do with
解析：句意：当你不知道如何解决问题时，为什么不征求你的老师的意见呢？do with/deal with处理，why not后接动词原形，how与deal with连用，what 与do with连用，故选A.
