it's ages since we went to the cinema.

it's ages since we went to the cinema.
it's ages since we went to the cinema.

it's ages since we went to the cinema.
我们很久没去电影院了.（意译）
距我们上次去电影院有很长时间了.（直译）

距上次我们去看电影都好几年了（虚指，意为时间长。）

距离我们上次去看电影已经有好长时间了。

Answer：我们好长时间没看电影了。