．If I _________too late last night, I could not have fallen asleep in class.
#103799
A
didn’t stay up
B
hadn’t stayed up
C
don’t stay up
D
haven’t stayed up
推荐题目
— Why do you look so worried? —My computer broke down and my essay ______ unfinished since.
#101438
A
had left
B
has left
C
has been left
D
was left
Tom is absent this week.Do you know what to him?
#102933
A
has happened
B
was happening
C
will happen
D
had happened
-Have you got your test result? -Not yet. The papers _____.
#104685
A
are still being corrected
B
are not correcting
C
have already been corrected
D
have not corrected
Michael ______ here to see you and he ______ a note on your desk .
#104622
A
has come ; has left
B
has been ; has left
C
has come ; left
D
has been ; left
I could have helped him out, to tell the truth, I _____ too busy.
#103685
A
am
B
was
C
have been
D
had been