1) We watched a DVD last night. - Past Simple
2) Have you ever watched a thriller? - Present Perfect
3) They haven't finished making the movie yet. - Present Perfect
4) We have seen that film twice already. - Present Perfect
5) He started reading The Lord of the Rings again yesterday. - Past Simple
Answer:
Ex. 6
We watched a DVD last night. Have you ever watched a thriller. They haven't finished making the movie yet. We have seen that film twice already. He started reading The Lord of the Rings again yesterday.