—Whosevolleyballisthis？—Itmustbelongto.A.BobB.heC.sheD.Carla’s

Question

— Whose volleyball is this ？

— It must belong to          .

A. Bob               B. he               C. she             D. Carla’s

Answer 1

A  belong to sb.“
属于某人 ” ； to 为介词， sb. 为代词时，应用其宾格形式。故选Ａ。