23. He looked as if he ____ ill for a long time.
A. was
B. were
C. has been
D. had been
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24. ---Why do you look so upset? ---I broke up with my girlfriend. If only I ____ more about her.
A. care
B. cared
C. had cared
D. had been cared
25. ---"I’ve told everyone about it. ---"Oh, I’d rather you ____."
A. don't
B. hadn't
C. couldn't
D. wouldn't
26. But for the help you gave me, I ____ the examinations.
A. would have passed
B. would pass
C. wouldn't have passed
D. wouldn't pass
27. That is a good book. You ____ it yesterday.
A. should have bought
B. bought
C. should buy
D. could buy
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