Can you __________________ other ways to solve this problem?

 —Don’t ____ too late , or you will feel tired in class. —I won’t , mum. Good night.

The museum _________ from 9:00 a.m. to 5:00 p.m. at the weekend. Let’s go together.

We can make a fire（火） ______ the room warm.

 If you work hard and never __________, you will learn maths well.