According to the latest study，most traffic accidents be prevented if drivers are careful enough．
#62242
A
must
B
can
C
have to
D
need
推荐题目
—Why does Mary look so worried today?—I’m not sure, but she _____ a small accident driving here.
#62738
A
must have
B
might have
C
must have had
D
might have had
—What do you think we can do for our aged parents?—You________do anything except to be with them and be yourself.
#62438
A
don't have to
B
oughtn't to
C
mustn't
D
can't
The magazine___________ be Lily's, for we can find her name on the cover.
#77819
A
may
B
might
C
could
D
must
You should _____ some English every day. It’s good for your vocabulary.
#74706
A
reads
B
reading
C
to read
D
read