—How did your mathematics exam go？—I thought I ，but in fact I fell behind in the class.
#87779
A
should have been the top 10
B
could have been the top 10
C
may have been the top 10
D
need have been the top 10
推荐题目
The World Wide Web is sometimes jokingly called the World Wide Wait because it ______ be very slow.
#90566
A
should
B
must
C
will
D
can
He spoke as though he________ anything of the world. --Really?
#86457
A
knew
B
had known
C
knows
D
has know
But for your timely warning, we ___have been unaware of the danger. Thank you very much!
#86790
A
shall
B
must
C
will
D
would