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

_______ bottles of water do you want?

Let’s go and have a rest,      we?

—My cousin often has nothing for breakfast, _____ she?— _____. Because she often gets up late and is afraid of being late for school.

--He forgot my birthday, didn’t he? --       . He wanted to give you a big surprise.