——I think it's going to be a big problem. ——Yes, it could be. ——I wonder ______ we can do about it. A. if B. how C. what D. that
A.A
B.B
C.C
D.D
正确答案是C
——I think it's going to be a big problem. ——Yes, it could be. ——I wonder ______ we can do about it. A. if B. how C. what D. that
A.A
B.B
C.C
D.D
正确答案是C