It's our turn ______ the classroom today. [ ]A. cleaning B. when we clean C. that we clean D. t

题目简介

It's our turn ______ the classroom today. [ ]A. cleaning B. when we clean C. that we clean D. t

题目详情

It's our turn ______ the classroom today.
[     ]
A. cleaning
B. when we clean
C. that we clean
D. to clean
题型:单选题难度:中档来源:同步题

答案

D

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