A.act B.homework C.justice D.model
A.point B.tendency C.result D.finding
A.seeing B.helping C.using D.surveying
A.making children laugh B.almost everything C.a lot of money D.his childhood memories E.telling scary stories F.a number of reasons
A.Come in without permission. B.Enter with invitation. C.Visit in large numbers. D.Appear all of a sudden.
A.chief editor of Cancer Epidemiology. B.chair of the American Cancer Society. C.head of the survey study. D.chief executive of Breast Cancer Campaign.
A.modest B.huge C.commercial D.national
A.limit B.regulate C.oppose D.support
A.affordable B.available C.persistent D.continuable