_ a large number of people in my life who have always done their utmost to help me achieve my goals. Fill in the blank.

There are several wonderful answers herein already with great professionals, nothing to add

Answer is

3-They have been

i am pretty much sure, its 4 . there have been .

If the question is a request to complete, the answer will be: There are

a large number of people = plural

4. There have been a large number of people in my life who have always done their utmost to help me achieve my goals

they were ...........................

The punctuation "." and "?" is not correct, you can omit the "." and just use "?"

Do I have a large number of people in my life......?

cash will be credited, when the goods are purchased on cash

There is/are' structure used in the Present Perfect = 'there has/have been'