—Will you stay for lunch?—Sorry, ____________. My brother is coming to see me. 
#89065
A
I mustn’t
B
I can’t
C
I needn’t
D
I won’t
推荐题目
The manager ______ the worker how to do it, or the accident couldn’t have happened.
#87803
A
couldn’t have told
B
ought to tell
C
could have told
D
mustn’t have told
— Lily is a happy girl, but today she seems in a bad mood. — Something ________ to her.
#88135
A
must happen
B
should have happened
C
could have happened
D
must have happened
The poor boy    the test again; in that case, his mother will be very disappointed.
#88223
A
must have failed
B
might fail
C
could have failed
D
should fail