Ответ:

1 am

2 are

3 aren't

4 isn't

5 are

Ответ:

2) Are

3) Aren't

4) Is not

5) Are

Объяснение:

2) My classmates and I ARE going to study hard for our English exam.

3) They AREN'T going to stay in a hotel in the countryside.

4) My mother IS NOT going to cook when we're on holiday.

5) My sister and her friend ARE going to cycle to the south of France.