—What's the matter with the man hanging his head there?—Well,if you ________ know, he was caught stealing my bike. 
#87063
A
must
B
may
C
can
D
shall
推荐题目
This cake is very sweet. You _____ a lot of sugar in it. 
#90559
A
should put
B
could have put
C
might put
D
must have put
— You _______ for me this morning. I came over here with Michael in his car.— Well, why didn’t you let me know earlier?
#87074
A
should have waited
B
would have waited
C
couldn’t have waited
D
needn’t have waited
All the doctors in the hospital insisted that he________ badly wounded and that he ______at once.
#87457
A
should be, be operated on
B
were, must be operated on
C
was, should be operated
D
was ,be operated on