Вставите just, yet, alredy, never, ever, racently, lately

1 He has ... been Canada.
2 Have you had a holiday ... ?
3 Have they ... eaten at the new cafe?
4 I haven,t heard from my cousin ... .
5 Have you seen any good perfomances ... ?
6 Have they called you ... ? No, they haven,t called me ... .
7 He has ... been to the Tretyakov Gallery.