The boss____________ the worker how to do it, or the accident couldn't have happened.
#89996
A
can't have told
B
ought to tell
C
could have told
D
mustn't have told
推荐题目
We __________ so tired. We've only been to a party.
#90010
A
mustn't have felt
B
wouldn't have felt
C
shouldn't have felt
D
couldn't have felt
(2013·浙江，8)Eye doctors recommend that a child's first eye exam ________ at the age of six months old.
#86621
A
was
B
be
C
were
D
is
I wish I_________ longer this morning, but I had to get up and come to class.
#86644
A
slept
B
had slept
C
might have slept
D
have slept