⑴How long is the Great Wall ? ⑵How big is Beijing ? ⑶How old is your father ? ⑷How many people are there in your family ? ⑸How much is the cheese ? | A. It's ten yuan. B. There are five people in my family. C. He is thirty-five. D. It's got about twenty million people. E. It's more than twenty thousand kilometres. |