Question

There were _________a thousand people at the concert

Answer 1

$\huge\red{\tt{\underline{Answer:-}}}$

There were around a thousand people at the concert.

Explanation:-

The sentence is in past tense and this also indicates the number of people.

Thanks.

Answer 2

$\huge\underline\mathcal\pink{HOLA!!!}$

There were around a thousand people at the concert.