Question

17．听第一篇短文，回答第13-15小题．

Title：（13）略
Most people in America live in small groups．	More than a quarter of homes in America have one person in them． 35% of homes have two people in them． （14）略 have three in them． 15% have four in them． The other homes have five or more．
When children are about （15）略，they leave their parents'homes，and they often go to different cities．

13．A．Families in America B．Young People in America C．Old People in America
14．A.7%．B.17%．C.70%．
15．A.30 or 31．B.20 or 21．C.18 or 19．

Answer 1

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