29、Miss Green is going to work in London, ______ ______?

28、There’re twenty-one girl students in your class, ______ ______?

27、Jack hardly goes to the cinema, ______ ______?

26、He has never seen her before, ______ ______?

25、Mary made few mistakes in the exam, ______ ______?

24、They usually play football after school, ______ ______?

23、Everything is ready for the party,______ ______?

22、You’d better do it now, ______ ______?

21、You don’t think he will come back before school, ______ ______?

20、Your parents must be in the library, ______ ______?