A survey has shown that 40% of those killed in traffic accidents _____ if they had been wearing seat belts.
#62781
A
should have been saved
B
must have been saved
C
need have been saved
D
could have been saved
推荐题目
You ______to meeting this afternoon if you have something important to do.
#76109
A
needn’t to come
B
don’t need come
C
don’t need comimg
D
needn’t come
—Catherine, I have cleaned the room for you.—Thanks, you __________it. I could manage it myself.
#63430
A
needn’t do
B
needn’t have done
C
mustn’t do
D
shouldn’t have done
 I’m feeling much better now, so you           call the doctor.
#74169
A
couldn’t
B
wouldn’t
C
can’t
D
needn’t