Now most families have only one child _____ our country’s one-child policy.
There are fifty students in our class, _____ of us _____ football.
Xi’an is a city with many places of interest and _____ tourists come here every year.
.—Which country has the_____population in the world? —China.
—How long have you lived in this town? —_____ 2001.
I used to____my dream. But now I get used to____doing everything. I think I’ll be successful one day.