单选题All the students are&nbsp

问题补充：

单选题Allthestudentsarecleaning.________arecleaningthefloor,and________arecleaningthedesks.A.Some; the otherB.Any; othersC.Some; the othersD.Some; other

答案：

C解析some. . . , the others. . . 一部分……，另一部分……。