—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
---Would you come to my birthday party tomorrow evening?---I’m afraid I ______. I have to look after my sister.
#78102
A
wouldn’t
B
can’t
C
won’t
D
mustn’t
According to the rules and regulations, all payments _____ be made in cash in the shopping center.
#63190
A
shall
B
can
C
must
D
should
－What is your math teacher like, Nick?－She is very kind _________ she looks a little serious.
#77143
A
although
B
if
C
so
D
until
---Who is the tallest boy? ---It ______ be John. John is of medium height.
#77245
A
must
B
needn’t
C
might
D
can’t
—What do you think of John?—He’s a good boy, but he ______ be really stubborn at times.
#62697
A
can
B
might
C
must
D
need