Question

The colour of these houses
white.
(A)
was
​

Answer 1

Answer:

The colour of this house is white

Answer 2

Answer:

I hope this answer is correct , But I did not understand your question.

Explanation:

The colour of these houses is white  -  present form

The colour of these houses was white  -  past form

The colour of these houses will be white  -  future form