Question

we _ in this street for twenty years.(live)​

Answer 1

The correct sentence is:

We have been living in this street for twenty years.

* The form of the verb used in this case is present perfect continuous tense.

It is also known as present perfect progressive tense.

* It is used to denote an action that has started in the past and continued till the present.

The form is like:

Has/have + been+ present participle

* Examples:

1. She has been working here for three years.

2. We have been waiting here for an hour.