He had no choice but to go on because it is their agreement that no one ______ quit the plan half way.
#63122
A
need
B
will
C
shall
D
can
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Li Lei isn’t ____ Liu Ming. 
#77741
A
tall as
B
as taller as
C
as tall as
D
as the taller as
—May I swim here?  — No, you _______.  It is dangerous.
#75700
A
won’t
B
needn’t
C
mustn’t
D
don’t have to
—Must we clean the classroom now?—No ,you _______.
#76832
A
must
B
needn’t
C
aren’t
D
mustn’t