—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
________ people used the computer thirty years ago, but now it’s very popular.
#77155
A
A few
B
Few
C
A little
D
Little
I told Sally how to get there, but perhaps I ________ for her.
#62969
A
had to write it out
B
must have written it out
C
should have written it out
D
need to have written it out
---Would you come to my birthday party tomorrow evening?---I’m afraid I ______. I have to look after my sister.
#78102
A
wouldn’t
B
can’t
C
won’t
D
mustn’t
As we all know, it is usually cold in this place in January, but it _____ be warm sometimes.
#63187
A
must
B
can
C
should
D
would
The driver tried everything he could think of, but the car just ______ not move.
#63267
A
should
B
might
C
must
D
would