Past simple.
1) He read this book 2 years ago.
2)How did you spend your holidays?
3) Did you tell you friends about the projetct?
4) The students took part in the play, didnt they?
5) I was in the theater yesterday and i didnt see my sister there.
Present Perfect.
1) I have done my homework already.
2) We have no classes today, our teacher has fallen ill.
3)Have you seen this film?
4) Has she come yet?
5) I havent seen him since then.