Question

【题目】—What _____ Helen doing? ( )

—She _____ playing with her doll.

A.is; isB.are; isC.are; are

Answer 1

【答案】A

【解析】

句意：—海伦正在做什么？—她正在和她的洋娃娃一起玩。Helen和she都是单数，be动词用is，故选A。