Réponse:
2) A. is your classmate studying?
B. Yes, he is
3) Steven is making dinner
4)A.Why are you laughting ?
B.Because i read a funny book
5)the children is playing a game
6)it raining now
7)A.Did they eat lunch?
B.No, they didn't
8)Birds are singing
9)i am doing my homework
10) he is not sleeping
11)John is not swimming at the beach
