Question

he met a french girl when he was _ the london school of economics

Answer 1

Answer:

at is the right answer

this is because at is used to determine place

Answer 2

Both in and at are correct.

Explanation:

It depends upon you in what way you are telling him.

If you use at, you are making london school of economics as a specific or exact location.

But, when you use in, you mean he met with a girl inside the london school of economics.

(anywhere inside that school)

But, I prefer 'at' according to the way of talking.

He met a french girl when he was at the london school of economics.