He is working_____ a model plane now.[ ]A. onB. at C. forD. in-八年级英语

题目简介

He is working_____ a model plane now.[ ]A. onB. at C. forD. in-八年级英语

题目详情

He is working _____ a model plane now.
[     ]
A. on    
B. at    
C. for    
D. in
题型:单选题难度:中档来源:同步题

答案

A

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