_____ the classroom, I found his pen lying on the ground. [ ]A. When cleaned B. If cleaned C. When c

题目简介

_____ the classroom, I found his pen lying on the ground. [ ]A. When cleaned B. If cleaned C. When c

题目详情

_____ the classroom, I found his pen lying on the ground.

[     ]

A. When cleaned
B. If cleaned
C. When cleaning
D. If cleaning
题型:单选题难度:中档来源:0118 期中题

答案

C

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