3.John started to wear glasses when he was five years old.
John has……………………….
5. It is two years since I last met him.
I have not met him for two years……………….
6.I last drank champagne at my brother's wedding.
I haven’t drunk champagne since my brother’s wedding.……………………….
7. It's over a year since I last went to a concert. (for)
I have not………………………….
8. We started to learn English 7 years ago.
We have………………………………