在下面这些句子中，有些名词的复数形式是错的。如果句子中没有错

题目描述

　　在下面这些句子中，有些名词的复数形式是错的。如果句子中没有错误，请标上C;如果句子中有错误，请标出错误的词并写出正确的复数形式：　　1)The branches of a company are sometimes called suhsidiarys.　　2)The shelfs of merchandise ale arranged to attract housewives.　　3)Handieraft is a major source of income to some familys in Europe.　　4)we received two memorandums about the boxes.　　5)The plaintiffs need the services of several attornies.　　6)The embargos on shipments from certain countries encourage trade with friendly nations.　　7)The investment plans of ABC Company reveal unusual risks.　　8)Several packages of supplys are arriving by truck today.　　9)ChangeS in the curriculums have caused several crisis.　　10)You must keep all your bill of sales.　　11)He said he had three sister—in—laws.　　12)A study of the lives of successful business people can give us a sense of the excitement of business.　　13)Numerous analysis are required before a decision can be made.　　14)Professor Johnson has supervised four theNs on management·　　15)Politics is an interesting topic.