You can’t 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
The old couple have been married for 40 years and never once _______ with each other.
A. they had quarreled B. they have quarreled
C. have they quarreled D. had they quarreled
They covered the body of the little hero with a flag, leaving his face_________.
A. to expose B. exposing C. exposed D. expose
— Guess what! I have got A for my term paper.
— Great! You ______ read widely and put a lot of work into it.
A. must B. should C. must have D. should have
— __________ do you like the film tonight?
— Better than __________.
A. How; expected B. What; expected C. How; to expect D. What; to expected
The place _______ the bridge is supposed to be built should be _______ the cross-river traffic is the heaviest.
A. which; where B. at which; which C. at which; where D. which; in which