.--Your parents were anxious about you. You _____ home without saying a word. -- It’s my fault.
#63643
A
mustn’t be
B
shouldn’t have left
C
needn’t have left
D
couldn’t have left
推荐题目
--- Do you have any plans for this weekend?--- I’m not sure. I _____ go climbing Mount Baoshi.
#75845
A
must
B
can
C
need
D
may
From March 13th, 2013, anyone under the age of 14 ______ go into Disney’s US parks alone.
#74340
A
couldn’t
B
mustn’t
C
needn’t
D
mightn’t
It isn’t going to rain, so you take an umbrella with you.
#75747
A
mustn’t
B
shouldn’t
C
needn’t
D
can’t
—Jack is not in the office at the moment—Oh, he ______ those who are going to take the driving test in an hour.
#62546
A
can have instructed
B
must have instructed
C
must be instructing
D
will be instructing