Помогите пожалуйста1. I learnt about it .a) for a long

Помогите пожалуйста
1. I learnt about it .
a) for a long time b) long ago c) long time ago d) long before
2. I read this announcement .
a) just now b) lately c) just d) already
3. We havent met since we from the university.
a) graduated b) were graduating c) have graduated d) had graduated
4. She didnt talk to me I had apologized to her.
a) before b) after c) until d) because
5. Whothis book?
a) has written b) writes c) would write d) wrote