Jane and Sally are waiting for the next bus at the bus stop.划线句提问 ——————_________ waiting for the next bus at the bus stop.为什么答案是Who is 而不是 are
问题描述：
Jane and Sally are waiting for the next bus at the bus stop.划线句提问 ——————
_________ waiting for the next bus at the bus stop.为什么答案是Who is 而不是 are
答
因为人提问的时候,是不知道等车的人是一个还是多个的,在这种情况下,一律用单数.