单项选择题
A.Potala PalaceB.Mogao GrottoesC.Chengde Summer ResortD.the Outer Eight Temples
A.I ’m tr ying to cut down.B.I owe you one now.C.Have you got a light?D.I’d be glad to.
A.Isn’t it very cold todayB.Are you feeling ill todayC.Would you mind opening the windowD.Have you bought the kite to me