The story is about Lei Feng.It's very ______.

– __________ have you been skating?– For five hours.

 Why do English people talk so often about the weather when they start a talk? — Because the weather is a(n) ________ topic (话题).

Do you want to listen to the ______ story?

— Would you like to drink _________ orange?—Yes, I’d love to. But there isn’t _________ orange in the glass.