Our monitor didn’t see all the students because was ill and didn’t come to school today.

问题补充：

Our monitor didn’t see all the students, because was ill and didn’t come to school today.

A. someone

B. no one

C. anyone

D. everyone

答案：

(答案→)A. someone

B. no one

C. anyone

D. everyone

解析：句意：我们的班长没看见所有的学生，是因为有人病了，今天没来学校。A.有人；B.没有人；C.任何人；D.每个人。选A。

考点: 考查代词的用法。