There was something wrong with the network, or the e­mail ________ earlier.
#86491
A
could have been sent
B
might be sent
C
need have been sent
D
must be sent
推荐题目
 I’m sorry. __________ for my illness, I would have come to give you a hand.
#86803
A
Were it not
B
If it hasn’t been for
C
Had it not been
D
Shouldn’t it be
The plan is dead. I        it more water.
#87964
A
will give
B
would have given
C
must give
D
should have given
I insisted that a doctor ________ immediately.
#86728
A
has been sent for
B
sends for
C
be sent for
D
will be sent for