Hai company is/one of the few company/manufacturing this project/in the whole country/no error

I am hearing/some old song / that I like/no error

Let you and I /go to airport/to welcome our /beloved friend/no error

He was __________ about whether
to do it or not.

She __________ college late that day.

I think I am __________ young to
get married.

The pilot was not feeling so well
before he __________ in his helicopter.

I need to buy __________