As is known to us all, English books of this kind well in middle schools.
A. sell
B. sells
C. is sold
D. are sold
网友回答
(答案→)A. sell
B. sells
C. is sold
D. are sold
解析：考查动词主动表示被动和主谓一致的用法：句意：众所周知，这种英语书在中学很畅销。sell这个词可以用主动表示被动，表示书的特点，属性，sell well意思是“畅销”。主语是English books of this kind，谓语是复数，如果是this kind of English books，谓语就是单数，选A。