1
The vase ... be broken. It's durable.
may not
should not
can not
better not
2
You ... be late next time. I promise you consequences.
can not
better not
are not to
might not
3
Jim ... participate in the program because he is not eligible.
must not
should not
may not
can not
4
A leader ... guide his people.
better
is to
may
could
5
If you ... swim don't dive into the river.
must not
should not
are not to
can not
6
You ... apologize for breaking the window.
must
are to
should
need to
7
You ... know English if you want to work in U.S. Embassy.
better
can
may
must
8
Pupils ... play in this filthy field. I am against it.
can not
don't have to
should not
are not to
9
You hold a position of trust. You ... resolve this issue.
better
are to
may
can
10
Rose is cross with you. You ... avoid her.
are to
must
may
had better