Ответ: 1) These are balls2) These are walls 3) These are halls4) These are smalls 5) They are talls

Ответ:

1) These are balls

2) These are walls

3) These are halls

4) These are smalls

5) They are tall

Tall- прилагательнoе, значит онo не может употребляться во множественном числе