----You didn’t wait for Mr. Smith last night, did you?
---- Yes, but we _______. He didn’t return home at all.
A. needn’t have B. should have C. didn’t need to D. don’t have to
______ surprised me most was the suggestion that he ______.
A. That; should make B. That; had made
C. What; should make D. What; had made
The house is in _____ bad condition that it badly requires _____.
A. such; being fixed B. such; fixing C. so; to fix D. so; to be fixed
No conclusion _________ about the new product until the result of the experiment has been announced.
A. is drawn B. was drawn C. will be drawn D. has been drawn
Don't you think it a pity that John ______ have behaved roughly toward us?
A．should B．would C．could D．might
The well-known director, two of________ films won Oscar awards, is said to have retired.
A. which B. whom C. whose D. his
