Excuse me, can I have this seat, please?–I’m sorry, but it’s_______.

Look! The light in the room is still on. Mr. Liu at work.

There is still a copy of the book in the library. Will you go and borrow ?—No, I’d rather buy in the bookstore.

I had an unusual ____/?k’sp?r??ns / last Sunday. How strange you can’t imagine!

Who’s that?—My sister. ______ works in a factory.