What he said at the meeting made Mary rather embarrassed, so he felt that he ______ differently.
#63617
A
might express
B
should express
C
could have expressed
D
must have expressed
推荐题目
—Where _____ Mary have put the empty bottles? — She _____ them away. They must be somewhere. 
#63263
A
can; can’t have thrown
B
must; needn’t
C
must; must have thrown
D
can; mustn’t have thrown
 –Look! The boy is running fast! –He might ______ to catch a bus.
#75241
A
run
B
running
C
is running
D
be running
 Look at the “No parking” sign. You _____park your car here.
#74390
A
should
B
must
C
needn’t
D
mustn’t
Mike ________ his car, for he came to work by bus this morning
#63189
A
can have found
B
could have found
C
can’t have found
D
mustn’t have found