He knows it is high time that he ________ at once.
#87730
A
quits smoking
B
quitted smoking
C
should quit to smoke
D
quitted to smoke
推荐题目
---Must I fill in the form?   --No, _______.
#87762
A
you must
B
there’s no need
C
you needn’t have
D
you needn’t to
 I told Sally how to get here, but perhaps I ____ for her.
#89352
A
had to write it out
B
must have written it out
C
should have written it out
D
ought to write it out