No student      go out of school after eleven o’clock at night without the teacher’s permission.
#87116
A
shall
B
must
C
will
D
may
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It is important that we        wild animals.
#87824
A
ill protect
B
hould protect
C
hall protect
D
re protecting
You had better not keep the window open , ____ ? 
#89743
A
will you
B
did you
C
had you
D
would you