Question

I don’t know       with this problem．It’s too hard．

1. A.
   which to do
2. B.
   when to do
3. C.
   what to deal
4. D.
   how to deal

Answer 1

D
试题分析：句意：我不知道该如何处理这个问题。它太难了。deal with和do with都有“处理、对付”的意思；但是do with多与特殊疑问词what连用，而deal with多与how连用A和B的用法都错误；故选D。
考点：考查疑问词+动词不定式的用法。