A)whonever,b) book,c) whoever,d) article,e) explain. 1)we asked our teacher to that rule to us 2)you can come to see him you want to 3)there is a very interesting about japan in this newspaper. 4)i asked him to us two tickets for the concert 5)don't answer the phone, calls 30б
2 whenever
3 article
4 book
5 whoever