Catherine is one of the brightest students who     from the Department of Computer Science , Brown University .
#103837
A
is graduated
B
has graduated
C
are graduated
D
have graduated
推荐题目
单项选择(每题1分)—Listen!It is raining.—Oh, really!  I______ it at all. 
#103629
A
didn’t realize
B
don’t realize
C
haven’t realized
D
hadn’t realized
Our food supply _____. We’d better get some in case there’s ____ left.
#101949
A
is running out, none
B
has run out of, none
C
is using up, nothing
D
has used up, nothing
He looked as if he ­­­_____ the answer.
#102238
A
knew
B
had known
C
knows
D
has known
.But for the storm, we ______ earlier.
#103802
A
can arrive
B
will arrive
C
had arrived
D
could have arrived