20.16.That man is略. A.Mary's borther B.Mary's father C.Mary's uncle 17.He goes to work略. A.by bus B.on foot C.by taxi 18.He略 in the factory. A.has dinner B.sleeps C.eats lunch 19.Do people like him?略 A、Yes,they do B、No,they don't C、Sorry,we don't know. 20.How old is he?略 A、44. B、48 C、42.