1
I ... hold my breath for two minutes.
may
can
must
have to
2
You need to hurry. You ... be there on time.
can not
don't have to
may not
should not
3
You ... be rich to buy that vehicle.
can
have to
should
may
4
She doubted if he ... come.
better
had better
could
had to
5
Ivan was aware that she ... betray him.
had to
better
could
might not
6
You ... accomplish the task on time if you want to receive money.
shouldn't
have to
don't have to
must
7
It's not late, you ... hurry.
can
may
better
have to
8
You ... make this translation as I don't know German.
can
better
have to
may
9
I ... extend her a helping hand. I am thinking about it.
can
should
may
better
10
You ... worry so much. Everything will be just fine.
must not
don't have to
better not
are not to