Li Fang is a college student. What does she do at the Behind Children School—She volunteers there once a week ________ the kids learn to read.

“Everybody is playing basketball outside. Can I join them, Dad ” “_____________, you must finish your homework first. ”

I think my friend Tony is _______to win the tennis game next Monday. [ ]

There is garden in _______ centre of our city.

She is better at English than ________ in her class.