—Who _____ they?
—They _____ my sisters.[ ]
A. are; are
B. are; were
C. was; were
答案:A
任何人力的分工协作都必然发生于()之中。
A.社会
B.人群
C.组织
D.生活
专项资产管理业务的特点是:证券公司与客户之间是“一对一”的关系。______