You look so tired tonight. It is high time you_________.
#90004
A
went to bed
B
went to sleep
C
go to bed
D
to sleep
推荐题目
She ______ have left school, for her bike is still here.
#89059
A
can’t
B
wouldn’t
C
shouldn’t
D
needn’t
______ he was at home, I would have phoned him then.
#86596
A
Had I known
B
I had known
C
Would I know
D
I would know
(2014·湖南六校联考)I know it’s normal for such a thing to happen,but we________it if we’d been more careful.
#86405
A
need have avoided 
B
could have avoided
C
will have avoided 
D
had avoided