Điền từ thích hợp vào chỗ trống: How many times you ...(be) to london this year?

dien tu thick hop vao cho chong
1. how many time you (be) to london this year?
2. the two girls (play) chess ver these are my classmates
3. we must take an umbrella.it (rain)
4. the guests (arrive) while I (still/cook).
5. the rice-cooking festable (hold) every two years.
6. I pften (climb) stress when I was a little girl.
7. two miles (be) enough for her to go jogging every morning.
8. I'm very bored.my mother always (complan)about her housework
9.fred eould like (admit) to the co;;ege.