This year is_____70th anniversary（周年）of the founding of the People's Republic of China.（　　）

A．aB．anC．the

Who is singing in the next room？

It____be Lisa， but I'm not sure． （　　）

A．mustB．mayC．need

What subject do you like____English， math or physics？

Of course， English（　　）

A．goodB．betterC．best

My English teacher took a photo of me while I______at the sports meeting． （　　）

A．runB．was running

C．ran

If you have a sore throat， you could drink some hot tea_____honey．（　　）

A．withB．atC．on