If you ___require any further information, please do not hesitate to contact us.
#87714
A
should
B
would
C
could
D
might
推荐题目
If you ______ earlier, you ________ him.
#88330
A
came; would meet
B
had come; would have met
C
had come; would meet
D
would come; met
The captain commanded that the players _________ their paces
#87278
A
should slow
B
slowed
C
could slow
D
slows
 I was really anxious about you. You___home without a word. 
#89626
A
mustn’t leave
B
shouldn’t have left
C
couldn’t have left
D
needn’t leave
“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