A board and three chairs are in the classroom.对A board and three _英语解答

A board and three chairs are in the classroom.对A board and three chairs提问,

人气：170 ℃　时间：2020-04-14 10:28:16

解答

What is in the classroom?你好，这个答案确定吗？书上的答案是arewhat 作主语，谓语动词一般用单数形式。