—The research on the new flu virus vaccine is challenging and demanding. Who do you think can do the job?—________ my students have a try?
#62321
A
May
B
Must
C
Will
D
Shall
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The flowers in my room every day, or they’ll die.
#75306
A
must water
B
must be watered
C
should water
D
can be watered
--Listen! Is it Linda singing in the next room? --No, it __________ be her. She is still in Shanghai.
#78253
A
can’t
B
couldn’t
C
may not
D
might not
It ___________last night, for the ground is wet outside.
#63212
A
would be raining
B
would have rained
C
must rain
D
must have rained
If prices rise too high, the government has to do something _________ it.
#77944
A
stop
B
stopped
C
stopping
D
to stop