Looking after very young children _____ be very annoying sometimes, but you’ll get used to it after a while.
#62887
A
must
B
should
C
shall
D
can
推荐题目
—Can we leave the classroom now?—No, you _________. You _________ to leave until the bell rings.
#74081
A
don’t have to; are supposed
B
mustn’t; are allowed
C
needn’t; aren’t allowed
D
can’t; aren’t supposed
It’s time _____ class. You must _____ the classroom.
#75805
A
to; to go
B
for; go to
C
to; to go
D
for; to go