The weather in Yang Zhou is much colder than _____ in Hainan in winter.

My parents always tell me_________ others late at night.— They’re right. It’s not polite.

Mr. Wang is a teacher. He ______ in this school for 20 years.

We must stop pollution _____ longer.

You are _to type quickly when talking to each other on QQ so the other person doesn’t get bored.