Could you tell us ____? —For about two weeks.

Whenever and wherever we are, keep in mind that we should listen more to others. It’s wrong to express ourselves without thinking. Just as we all know, __________.

We should _______/ki:p/ quiet in the library.

Wow! These inventions are amazing．—They were all invented _______years ago.

Are you_____ now, Dave? I’m visiting you. —Sorry, I’m_____ vacation with my mother.[ ]