Question

Нужно срочно....
I haven't seen Mary ____ 1999 year.
She has never been ____ the USA.
They have been working to yether ____ ages.

Answer 1

I haven`t seen Mary since 1999 year
She has never been in the USA
They have been working to yether for ages

Answer 2

I haven`t seen Mary since 1999 year. Я не видел Мэри с 1999 года.
She has never been to the USA. Она никогда не была в США.
They have been working there for ages. Они работали там испокон веков.