There was something wrong with the network, or the e-mail____ earlier.
#86903
A
could have been sent
B
might be sent
C
need have been sent
D
must be sent
推荐题目
The light is still on. They ___ to turn it off when they left the room.
#87772
A
must forget
B
could have forgotten
C
may forget
D
must have forgotten
—Tom, your foreign teacher speaks Chinese fluently!—Oh, she has lived in China for six years, otherwise she _______ such good Chinese.
#86413
A
didn’t speak
B
would not have spoken
C
would not speak
D
hadn’t spoken
I apologize if I _______ you, but I assure you that it was unintentional.
#86712
A
should offend
B
were to offend
C
had offended
D
offended
If you want to borrow a football after school, your student ____ here.
#88148
A
has to leave
B
mustleave
C
has to be left
D
mustbe left
If human beings had been a bit less greedy and cruel, more birds and animals _____dying out.
#89442
A
ought to avoid
B
could have been avoided
C
should have avoided
D
might have avoided
