问题
选择题
You can imagine what great trouble they have________the problem________. [ ]
A. to solve; being talked about
B. solving; discussing
C. to solve; to talk about
D. solving; being discussed
答案
答案:D
You can imagine what great trouble they have________the problem________. [ ]
A. to solve; being talked about
B. solving; discussing
C. to solve; to talk about
D. solving; being discussed
答案:D