---Who is the tallest boy? ---It ______ be John. John is of medium height.
#77245
A
must
B
needn’t
C
might
D
can’t
推荐题目
---Must I learn the new words in heart today?---No, you _______. You ______ do it tomorrow.
#74845
A
needn’t; may
B
mustn’t; must
C
mustn’t; may
D
needn’t; mustn’t
Do you believe drinking a glass of wine every day ______ reduce the danger of heart diseases?
#63208
A
could
B
must
C
need
D
should
You____Tom at the party yesterday;he went abroad for a holiday last week.
#63294
A
should have seen
B
might have seen
C
mustn’t have seen
D
couldn’t have seen
I ______ tell you with certainty that he won’t be able to finish it before the deadline.
#63667
A
will
B
must
C
can
D
may