--- 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
—Where are Lucy and Lily?—Oh , the two girls must _______ a game in the garden now.
#76191
A
play
B
are playing
C
played
D
be playing
— Could you give me a ride to the railway station? I’m going to be late.— I’ll take the nearest route. You ________ be in time for the train.
#62561
A
shall
B
can
C
may
D
need
—He ____be in the classroom, I think.—No, he_____ be in the classroom. I saw him go home a minute ago.
#74430
A
can, may not
B
must, may not
C
may, can’t
D
may, mustn’t