Fill the gaps with the appropriate verb form.
1)Tom has already_______a lot of mistakes in the test(make)
2)Have they_____this house yet(buy)?
3)This is the best car Peter has ever_____(have)
4)My cousin is 23 but he hasn.t ______a job yet(find)!
5)Jane is so tired.She has____Three tests today(write)
6)Has Anna just____back home(come)?
7)Why haven.t they________your question yet(answer)?