He lost a set _____ keys.[ ]A. of B. at C. in D. on-七年级英语

题目简介

He lost a set _____ keys.[ ]A. of B. at C. in D. on-七年级英语

题目详情

He lost a set _____ keys.   
[     ]
A. of      
B. at      
C. in      
D. on
题型:单选题难度:中档来源:同步题

答案

A

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