Question

Вставить are/is
The flower nice.
The flowers nice.
The snow white.

The tree big.
The trees big.
The cars white.

Answer 1

The flower is nice.
The flowers are nice.
 The snow is white.
The tree  is big.
The trees  are big
The cars  are white.  Is это когда единственное число , а Are  множественное 

Answer 2

1. Is.
2. Are.
3. Is.
4. Is.
5. Are.
6. Are.