If you go into a store and feel that the clerk is being rude, stop and think that she____ a tough day, and put yourself in her shoes. 
#88069
A
may have
B
may have had
C
must have
D
should have had
推荐题目
He       have come here yesterday,        he?
#89653
A
mustn’t;did
B
couldn’t;has
C
mustn’t;haven’t
D
must;didn’t
I______it again. 
#89914
A
would like you to read
B
would like that you read
C
would like you reading
D
would like you read
If you_______ my advice last month, you wouldn’t have lost his job.
#87066
A
followed
B
should follow
C
had followed
D
would follow