⑴three A. 
⑵six B. 
⑶)two C. 
⑷eight D. 
⑸four E. 
⑴Number off, please? A. See you.
⑵What's you number? B. Goodbye, Miss Liu.
⑶Class is over, Goodbye, class! C. One, Two, Three…
⑷See you, Miss Liu. D. Three.