Complete the sentences.Use the Past Simple and the Present Perfect.
1.They (already,do) this hard work.
2.I (not...yet,see) a new film.
3.When you (buy) your bike?
4.You (already,decide) what to do?
5.My niece (not,three weeks ago,come) to us.She (visit) her friends.

Have already done Have not yet seenDid you buyHave you already decided didn't came three weeks ago. Has viited