小冬是个足球迷,每逢有自己喜欢的球队比赛,他场场必看。但是,他对做值日却很不上心,每当轮到值日时,他总是借口自己要练球加以逃避,小冬的这种做法
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.