You____park here! It’s an emergency exit.
A. mustn’t
B. needn’t
C. wouldn’t
D. shouldn’t
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-______you interrupt now? Can’t you see I’m on the phone?-Sorry sir,but it’s urgent.
A. Can
B. should
C. Must
D. Would
My retired father is used to ______his two dogs early in the morning.
A. exercise
B. exercising
C. exercised
D. exercises
You _______quarrel with your neighbors whatever happens.
A. had not better
B. have not better
C. had better not
D. have better not
we must have the work ______by Tuesday.
A. to be finished
B. finishing
C. finish
D. finished
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