We work hard ___________ school.[ ]A. inB. atC. on-四年级英语

题目简介

We work hard ___________ school.[ ]A. inB. atC. on-四年级英语

题目详情

We work hard ___________ school.
[     ]
A. in
B. at
C. on
题型:单选题难度:偏易来源:同步题

答案

B

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