用 join/join in/take part in/attend 的适当形式填空。
1. We're going to visit the flower show tomorrow. Will you __________us?
2.How many countries_________ the last Olympic Games?
3. He didn't _______-school yesterday because of his illness.
4. All the league members_______the meeting,at which ten students _______ the league.
5.Will you_______us_______playing basketball?
