—Why, my new computer is rubbish! Five hours has passed and it still hasn’t finished the downloading. —Don’t worry. You know, sometimes the Internet ________ be very slow.
#63366
A
can
B
may
C
should
D
must
推荐题目
—What do you need to say?—No person smoke or carry a lighted cigarette in this special room.
#62790
A
will
B
shall
C
ought
D
need
–Whose volleyball is this?–It _______ belong to Carol. She loves volleyball.
#76394
A
must
B
mustn’t
C
can
D
can’t
The police still haven’t found the lost child, but they’re doing all they .
#63627
A
can
B
may
C
must
D
should
A hard-working man _____ become a great scientist, but a great scientist _____ be a hard-working man.
#75893
A
can’t, can
B
may not, can
C
can’t, must
D
may not, must
—May I smoke here? —If you _____, choose a seat in the smoking section.
#62987
A
should
B
could
C
may
D
must
