用所给词的适当形式填空。 1. I want _____ (be) a teacher in the future. 2. He often _____ (take) a bus to get to school. 3. _____ (have) a walk after supper is good for our health. 4. Let's _____ (go) sports camping for the vacation. 5. What about _____ (ride) a bike there? 6. It's 7:30. Many people are _____ (wait) for a bus at the bus stop. 7. The number of the students in our school _____ (be) about seven hundred. 8. The bus ride usually takes about 25 minutes _____ (get) there. 9. How do you _____ (go) to work every day? 10. She usually _____ (exercise) three times a day.