It has been announced that candidates ______ remain in their seats until all the papers have been collected. 
#90070
A
can
B
will
C
may
D
shall
推荐题目
Eliza remembers everything exactly as if it ______ yesterday.
#86725
A
was happening
B
happens
C
has happened
D
happened
—Are you content with her lecture?  —Nowhere near that. It ____. 
#89196
A
may have been good
B
couldn’t have been worse
C
can’t be better
D
must be better