If they _______ what I was saying, they'd know what I was talking about.
A.took the trouble to listen to | B.had trouble listening to |
C.take the trouble to listen to | D.have trouble listening to |
推荐套卷
If they _______ what I was saying, they'd know what I was talking about.
A.took the trouble to listen to | B.had trouble listening to |
C.take the trouble to listen to | D.have trouble listening to |