( ) There are thirty pupils in our class. _____ of them are young pioneers
A. Any B. Either C. All
——What’s this ?
——_______________________
A. This is a boat B. This is a bike
——Did you play the kite last week ?
——_______________________ 
A. Yes , I did B. No , I didn’t
—— What did you do yesterday ?
——_______________________.
A. I cleaned the room B. I pointed a picture
—— What are you doing ?
——__________________.
A. I’m hereB. I’m reading the book
——How are you ?
——__________________.
A. I’m very well B. Thank you