---______ have you been in class today?    

---For two hours.

—— ___________ do you have this kind of match?

—— Once a year.

— ______ is it from your home to your school?   

—Two kilometers.

— _______?

—She is thirteen.

–______ is your art Lesson?

– It’s at 8:20 today.

—Tom, don’t rub such oil into the baby’s skin, it’s not good for his health.

—______.

---The number of the students in our school is about nine _____.  

---I see. ______of them are boys.

-_______students are there in your class, Mr Li? 

-Fifty. 

—Will people live to be 200 years old?

 —____________.

----Where’s Molly?

---She_______England.