—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?
#62928
A
May
B
Must
C
Shall
D
Will
推荐题目
You ________ pay too much attention to your reading skill, as it is so important.
#62819
A
can’t
B
should
C
must
D
needn’t
I was really anxious about you. You____ home without a word.
#62986
A
mustn’t leave
B
shouldn’t have left
C
couldn’t have left
D
needn’t leave
— I hear it will rain tomorrow.— It _______ true. You see, there are so many black clouds in the sky now.
#63069
A
won’t be
B
will be
C
may be
D
may not be
– How’s your new class teacher?– We ______ ask for a better one. All my classmates love him so much.
#63133
A
shouldn’t
B
couldn’t
C
mustn’t
D
needn’t