—The pollution problem here seems to get more and more serious.--Yes. Something_____about it.
#76572
A
must do
B
must be done
C
is doing
D
had been done
推荐题目
--- Do you have any plans for this weekend?--- I’m not sure. I _____ go climbing Mount Baoshi.
#75845
A
must
B
can
C
need
D
may
—How much shall I pay for the phone call? —You________. This is free of charge.
#63321
A
shouldn't
B
can't
C
don't have to
D
mustn't
(2013·广西桂林中学高三二模)—Can you come to attend our party tonight?—Sorry, but I do wish I ________.
#62374
A
had
B
can
C
will
D
could