根据句意,用括号内所给词的适当形式填空。
6. On my way home I met a famous _ _(act) yesterday.
7. Who _______ (teach) you English last term?
8. We went _______ (camp) on our last school trip.
9. She can’t decide what (buy) him as a birthday gift.
10. ________(lucky) I don't have enough money to travel.