Question

_ are the books which needs to be returned

Answer 1

Answer:

You can write These

or Those or That in place of blank. This will not come because it comes for singular and here we are talking about many books.

Explanation:

Generally speaking, we use this/these to refer to people and things, situations and experiences that are close to the speaker or very close in time. We use that/those to refer to people and things, situations and experiences that are more distant, either in time or physically. If you like my answer, mark it as brilliant answer.

Answer 2

Answer:

You can write these, those or that....