问题
选择题
— I think it's going to be a big problem.
— Yes, it could be.
— I wonder _____ we can do. [ ]
A. how
B. if
C. what
D. that
答案
答案:C
— I think it's going to be a big problem.
— Yes, it could be.
— I wonder _____ we can do. [ ]
A. how
B. if
C. what
D. that
答案:C