根据句意,用括号内所给词的适当形式填空。
1. __________(luck),he passes the exam.
2.It’s five ______(minute) walk from my home to my school.
3. He lives on the___________(twenty)floor in that building.
4. How about _______________(celebrate) your birthday on Friday afternoon?
5.10.We should do morning exercises every day to keep ____________ (health)