The words that we should pay attention to ________on the blackboard.
#44787
A
being written
B
are written
C
is writing
D
writing
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The number of children who have lost parents to AIDS ___ to rise to over 26 million in 2011.
#44755
A
are expected
B
is expecting
C
are expecting
D
is expected
— May we leave the classroom now?— No, you _______. You _______ to leave until the bell rings.
#44633
A
mustn’t; are allowed
B
can’t; aren’t allowed
C
don’t have to; are allowed
D
needn’t; aren’t allowed