—Mr Wang’s never been to Canada, has he?— ______. He went there on business last week.

— Mary’s father seldom has breakfast at home,          ?—          . He has it on his way to work.

He’s never late for class, ___________he?

—You will go swimming this Saturday, won’t you?—      . I have to work this Saturday.

--- She’s already been back to Wuxi, ________?--- ________. She is on a visit to Shanghai.