题目内容

(2010·安徽师大附中高三二模)    28. ____ enters the computer rooms should take off his shoes in order to keep them clean enough.

A. Who      B. Whoever    C. What      D. Whatever

练习册系列答案
相关题目

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网