It has been announced that candidates ( 候选人)_____remain in their seats until all the papers has  been  collected .   
#89832
A
can
B
will
C
may
D
shall
推荐题目
 Look! There’s no light on—Sara _____be at home.
#87883
A
can’t
B
mustn’t
C
needn’t
D
shouldn’t
If the earth stopped moving, everything _____.
#86666
A
would disappear
B
disappeared
C
will disappear
D
disappears
He _______ the best person you had been expecting for the job, but who else _______?
#87031
A
may not be; could be
B
couldn’t be; might be
C
might not have been; could have been
D
mustn’t be; must have been