—Look! The man at the gate ______ be our headmaster. He is always standing there every morning.—No, it ______be him. He is holding a meeting in the office now.
#75570
A
must, can’t
B
must, mustn’t
C
can’t, can’t
D
can’t, mustn’t
推荐题目
---Someone is knocking at the door. Who may it be? ---It ______ be Tom. He is still in the school.
#74601
A
can’t
B
mustn’t
C
couldn’t
D
may not
—Guess what; Yang Yang failed in the maths test .—How it be？She is second to none in maths.
#63086
A
shall
B
might
C
can
D
must
The World Wide Web is sometimes jokingly called the World Wide Wait because it _______ be very slow.
#63650
A
should
B
must
C
will
D
can
— These grapes look really beautiful.— They _______! See the price $3.99 a pound. Very expensive, aren’t they!
#62668
A
would
B
could
C
might
D
should