Teachers often asked usmake any noise in class.

John and I will celebrate our fortieth wedding anniversary next month. — Oh, ________!

What are you going to do this weekend?— I’m not sure ______. Maybe I am going swimming.

Do you mind _________your room? —No, I’ll do that after finishing _________this article.

For most people, it’s very difficult to _____ air on the top of Qomolangma.