—Rebecca, have you decided what to do this Saturday?
—Not yet. I ______ volunteer at the old people’s home.
may
must
should
would
Who’s that ______ the gate of the factory?
Please come to work earlier______ next time.
I go to school ______ my father’s bike every day.
I usually leave ______ home ______ school very early.
Don’t eat__ much for supper. It’s no good.