The rule demands that everyone ______ quiet in the school library.
#86874
A
keeps
B
keep
C
will keep
D
should be kept
推荐题目
I forget where I read the article, or I _____ it to you now. 
#89614
A
will show
B
would show
C
am going to show
D
am showing
He insisted that his plan _______ carried out at once. 
#87128
A
would be
B
could be
C
was
D
should be
—Why didn’t Susan come to school? —I don’t know. She____ ill.
#87988
A
could be
B
may have been
C
might
D
must have been
He ________ fatter but he eats too little.
#86630
A
would become
B
would have become
C
must become
D
must have become
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