The weather in Harbin is colder than ____in Gang Dong.
---Millie, ______ late for school again. — Sorry, I won’t.
________ playing chess after school?
- ______ exercising, and you'll be healthier.
----“Don’t be late again , Tommy” ----“OK, _______.”
Jim, ________________read books while you are walking in the street. It’s very dangerous.