№1.
1) any
2) some
3) any
4) a
5) some
№2.
1) are there any
2) is there a
3) are there any
4) is there a
5) are there any
№3.
1) science lab
3) corridor
№2.
1) Are dogs running in the park?
2) Is your mother cooking in the kitchen?
3) are you feeling tired today
4) Are they waiting for the bus?
5) Is Tom writing a letter to his mom?
№3.
1) tie
2) hat
3) scarf
4) trainers
5) tracksuit