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 seen
Did you buy
Have you already decided 
didnt came three weeks ago. Has viited