Slow down and stop ____ a red light. A. in B. on C. at
- Where did you buy that? - Dad _______ it in Chinatown.
- Happy New Year! - ________________.
We know Hainan is in the ________ of China.
There is a teacher’s table _______ our classroom, and two trees ______ our classroom, too.
Let’s _______ there, because it is very ______.