It is strange that the small boy _________ work out such a difficult exercise, which is even hard to settle for adults.
#87602
A
should
B
might
C
could
D
would
推荐题目
--- I didn’t go to class last night because my car broke down.  --- You _______ mine. I wasn’t using it. 
#87741
A
could borrow
B
may borrow
C
could have borrowed
D
may have borrowed
Why didn't you tell me there was no meeting today? I all the way here through the heavy snow. 
#89417
A
needn't have driven
B
can't have driven
C
mustn't have driven
D
shouldn't have driven
________ I be free tomorrow, I would go with you.
#86549
A
Could
B
Should
C
Might
D
Must
. — Please don’t make a noise.— _____. I’ll be as quiet as a mouse.
#90207
A
Yes, I won’t
B
No, I won’t
C
No, I will
D
Yes, I will