Boys and girls the books in the library should good care of. A. take B. are taking C. be

问题补充：

Boys and girls, the books in the library should good care of.

A. take B. are taking C. be taken

答案：

解析：本句的真正主语是“the books”,应用被动语态，“should + be + 及物动词的过去分词”，故选C。