He _____ without saying good-bye to them, for he always has good manners.
#90153
A
mustn’t have left
B
may not leave
C
shouldn’t have left
D
can’t have left
推荐题目
 —It was cold and the road was icy. —It          a comfortable journey.
#87692
A
can’t be
B
shouldn’t be
C
mustn’t have been
D
couldn’t have been
 I’d rather you ___ anything about it for the time being.
#88196
A
do
B
didn’t do
C
don’t
D
didn’t
“Do you think he is lazy?” “I _________ so once, but I don’t now.”
#89120
A
may have thought
B
can have thought
C
may think
D
might think