The work is too hard for him. He__________ finish it on time.
#77570
A
can't
B
mustn't
C
shouldn't
D
needn't
推荐题目
— _______ I ask you something, if you are not busy?—Yes, of course you _______. 
#62809
A
Should; should
B
Could; can
C
Could; could
D
Can; Could
You _______ cross the road when the traffic lights are red.
#74937
A
can
B
must
C
mustn’t
D
needn’t
You have already tried your best, so you _____worry too much about the exams.
#76907
A
can’t
B
needn’t
C
mustn’t
D
shouldn’t