You can imagine what great trouble they
题型:选择题
问题:
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
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