The boy ____won the first prize is called Roy.

---- He’s never seen the film The Grand Master（一代宗师）before, _________he? ---- _____________. He went to see it last week.

Of the two cities. I think Chongqing is ______ one.

— There are still many old city walls in Xi’an, _______?—Yes, there are.

--- She's never spoken to a foreigner, _______? --- Yes. She is active and can speak English freely.