--- The research on the new bird flu virus vaccine is challenging and demanding. Who do you think can do the job?---____ my students have a try?
#62974
A
Shall
B
Must
C
Will
D
May
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I got close enough to hear them speaking Chinese, and I said “Ni Hao ” just as I ____ do in China.
#63507
A
must
B
might
C
can
D
should
-- My cat’s really fat. --- You ______ have given her so much food.
#63287
A
wouldn’t
B
couldn’t
C
shouldn’t
D
mustn’t
It is usually warm in my hometown in April, but it ________ be rather cold sometimes.
#63060
A
can
B
must
C
would
D
should