掌握语法知识是很有必要的。请你回想一下1～6单元主要学习了哪些语法项目。然后参与下面的实践，验证一下自己的学习情况。

请完成下面的提问和答语。

　　(1) Q: ________ for vacation?

　　A: I'm visiting my grandmother.

　　(2) Q: ________

　　A: She lives in Shanghai.

　　(3)Q: ________ to get there?

　　A: It takes about 2 hours by train.

　　(4)Q: When are you going?

　　A: ________ Friday.

　　(5)Q: ________ staying?

　　A: For two weeks.

　　(6)Q: ________ your grandmother?

　　A: I visit her once a year.

—Merry Christmas!

—_______.

　 A. I’m very happy　　　　　　　　　　　 B. It’s very kind of you

　 C. Thanks. The same to you　　　　D. My pleasure

—Cathy, could you come to our art club tomorrow?

—______.

　 A. I'm sorry to hear that　　　　　　 B. Sure, I'd love to

　 C. Never mind　　　　　　　　　　　　　 D. You're welcome

--- How is everything going in the hospital, dear?

--- ________.

　 A. I’m all right, thanks. B. Not too bad, I guess.

　 C. Not at all.　　　　　　　　　　　　　　 D. That’s all right, thank you.

—Mr. Li is ill in hospital. His daughter is looking after him.

—　　 .

A. I’m sorry to hear that B. Not at all 　　 C. I’m afraid 　 D. It doesn’t matter