Mr. Smith has promised that all of us will pass the exam, so it ____ so difficult as you imagine.
#63382
A
can’t have been
B
can’t be
C
mustn’t have been
D
mustn’t be
推荐题目
–Look! The boy is running fast! –He might ______ to catch a bus.
#75241
A
run
B
running
C
is running
D
be running
Susan’s parents bought a large house with a swimming pool. It ______be very expensive.
#77248
A
can
B
must
C
mustn’t
D
can’t
---I think Helen is at home.---No, she be at home, for she phoned me from the airport just five minutes ago.
#63132
A
mustn't
B
needn't
C
can't
D
dared not
—Must I go there right now?—No，you ________.You ________ go there before supper.
#62512
A
mustn't；need
B
needn't；may
C
can't；need
D
won't；can