--- 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
推荐题目
–Look at that girl! Is it Susan? --No, it _______ be hers. She has gone back to her hometown.
#78259
A
mustn’t
B
can’t
C
needn’t
D
wouldn’t
—Catherine, I have cleaned the room for you.—Thanks. You_______ it. I could manage it myself.
#62965
A
needn’t do
B
needn’t have done
C
mustn’t do
D
shouldn’t have done
— _ good time we had at the party last night!— Yes. It was _____ exciting party that I would never forget it.
#77657
A
What; so
B
How; such
C
What a: such an
D
How a; so an
—Did you ask Tom for help?—I ________. —I managed perfectly well on my own.
#62620
A
needn’t have
B
don’t need to
C
didn’t need to
D
needn’t