A.must
B.have to
C.mustn’t
D.don’t have to
You seldom have to do the cooking,______?
A. have you
B. haven't you
C. do you
D. don't you
Speaker A: You don't have to play that record so loud, do you?Speaker B: ______
A.Yes. I didn't mean to disturb you.
B.Sorry, I don't have to. I can turn it down a little.
C.Yes, sorry. Am I keeping you awake?
D.Sorry, I didn't realize you were trying to sleep.
A. didn't need to clean
B. needn't have cleaned
C. don't need to clean
D. mustn't have cleaned
A. had better to
B. don’t
C. must not
D. don’t have to
You don‘t have to be in such a hurry.1 would rather you__________ on business first.
A.would go
B.will go
C.went
D.have gone
A.if
B.unless
C.when
D.though
A.haven’t
B.not yet
C.already not
D.don’t yet
Don't forget______ when you are finished with the electric iron.
A.to turn it off
B.turning it off
C.to have turned it off
D.having turned it off