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

--- Datou Ge Hongyu made few mistakes in the competition of singing, ________ ? --- _____________. I think his perform was the most wonderful in The Voice of China.

He’s never been to the Great Wall, _______?

-The captain（船长）of the Sewol ferry（岁月号）hardly do anything to help the passengers on the ferry。          ？-              ，so over two hundred people lost their lives in the accident。

--________ is it from our school to Bridge School? --- Only 15 ___________. You can use my bicycle.