Complete the sentences with the question tags in the box
didn' they, can she, haven't they doesn't he, does he, can't she, aren't we
1 He doesn't know the answer, .... ?
2 We're really late, .... ?
3 She can wait, .... ?
4 They knew all the answer, .... ?
5 Your father works in that office, .... ?
6 Your sister can't cook, .... ?
7 They've finished their test, .... ?