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
Everybody there was _______ by the _______ story.
#75049
A
moving; moving
B
moving; moved
C
moved; moved
D
moved; moving
Jim______   sing Chinese songs very well now, but he______do it last year.
#75382
A
can; can’t
B
could; can’t
C
can; couldn’t
D
could; couldn’t