---Where does John live?
---He lives on ______ floor but he doesn’t use a lift to go up and down.

Americans eat vegetables per person today ______as they did in 1910.

We still enjoyed ourselves on the Great Wall -----there were------ people during the holiday.

Nowadays            of business letters are written in English.？ 

---What is ______ month of the year ? ---It’s December .

How do you read 15,847?

—How often do the students play sports?

I'm 13 years old and my sister is 15 years old. So my sister is

--- how was your weekend?
---- Great! It was my grandfather’s _______ birthday. We enjoyed ourselves.

–We ‘ll be back for our school’s _____anniversary (周年) ceremony .
-I see. That means you’ll have a get-together with your classmates in ____years .