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

–Mrs. Huang often speaks to foreigners, _________? –Yes, she wants to practice her spoken English.

Tom hardly hurt himself in the accident, ________?

----You’ve never been to the village, have you? ----__     __. It is the most beautiful village I’ve ever seen. 

__ is really hard __ them to climb Mount Tai.