Ответ:

a ) 1 .is 2 climbing

b)is

a)1.are2.swimming

b) aren't

a)1.are2.listening

b)i'm

a)1.is2.phonning

b)isn't

1.) Is Mike Climbing the mountain? Answer: Yes, he is

2.) Are Sue and Frank swimming in the pool?Answer: No, there aren’t

3.) Are you listening to music?

Answer: Yes, I am

4.) Is Emma calling her mum?

Answer: No, she isn’t