—Can we leave the classroom now?—No, you _________. You _________ to leave until the bell rings.
#74081
A
don’t have to; are supposed
B
mustn’t; are allowed
C
needn’t; aren’t allowed
D
can’t; aren’t supposed
推荐题目
With the help of the new technology, you __ e-mail your friends by mobile phone.
#76522
A
can
B
must
C
need
D
should
—Why are your eyes so red? You _______ have slept well last night.—Yeah, I stayed up late writing a report.
#62856
A
can’t
B
mustn’t
C
needn’t
D
won’t
Chris Lee won the _________ for the best singers in 2009 Asia Song Festival.
#77173
A
grade
B
result
C
prize
D
project
Their answers are exactly the same. One of them ___ from the other.
#62605
A
must copy
B
must have copied
C
should copy
D
should have copied