___.— Yes. Two minutes earlier, we could havecaught the bus.

hinahave cultural relics— Yes, it is admitted that many cultural relics in theworld, such as the Great Wall, the Potala Palace, the Magao Caves and so on,______ China.

Though they don’t live in the same city now, he manages to be informed ________ how Tony is getting along.[ ]

Where is your father—He isn’t here. He __________Yushu to help the people in trouble.

Nowadays a growing number of people go to work by bike.—Bicycling is good exercise；________it doesn’t pollute the air.