1. I was late because I wait for my little brother. a) do
b) had to
c) have to
d) could
2. His father is very rich. He work I think.
a) doesn't have to
b) haven't to
c) don't have to
d) isn't
3. If the firealarmgoes off you be out of the building in two minutes.
a) can
b) has to
c) have to
d) didn't have to
4. Monicaknew exactly what to do. I tell hertwice.
a) must
b) have to
c) hasn't to
d) didn't have to
5. Yesterday I finish my geographyproject.
a) must
b) mustn't
c) had to
6. All employees on time for work.
a) must be
b) mustn't
c) have to
7. If you are under 13 you to get your parents' permission.
a) have
b) must
c) musn't
8. The doctor get here as soon as he can.
a) must
b) mustn't
c) have to
9. Bicyclists remember to signal when they turn.
a) mustn't
b) must
c) has to