Question

I wonder ______ can be done to get rid of my smoking.

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

Answer 1

C
考查宾语从句。宾语从句中缺少主语，故用what，how怎样，which哪一个，when当什么的时候，句意：我想知道做什么来戒烟。故选C。