there are two old books on the shelf,but _______ of them is useful.A.both B.all C.neither

分类: 作业答案 • 2021-12-28 15:21:33

问题描述：

there are two old books on the shelf,but _______ of them is useful.A.both B.all C.neither
D.none
说明理由

答

C,两者都不,书架上有两本旧书,但是都没有.B和D,都表示三者以上,所以最先排除,A表示两者都谓语动词用复数,所以只能选C,两者都不,谓语用单数