He doesn't know the answer,does ho? 2 we're really 3 she can wait 4 they knew all the 5 your father works in that office 6 your sister can't 7 they've finished their ответы didn't they, can she , haven't they, doesn't he, can't she , aren't we.

2 We're really late, aren't we?
3 She can wait , can't she?
4 They knew all the answers, didn't they?
5 Your father works in that office, doesn't he?
6 Your sister can't cook, can she?
7 They've finished their test, haven't they?