Complete the sentences with the question tags in the box didn39;

Complete the sentences with the question tags in the box didn39; they, can she, haven39;t they doesn39;t he, does he, can39;t she, aren39;t we 1 He doesn39;t know the answer, .... ? 2 We39;re really late, .... ? 3 She can wait, .... ? 4 They knew all the answer, .... ? 5 Your father works in that office, .... ? 6 Your sister can39;t cook, .... ? 7 They39;ve finished their test, .... ?