The children are standing_____ to get on the bus.[ ]A. on line B. with a line C. on a line D. in lin

题目简介

The children are standing_____ to get on the bus.[ ]A. on line B. with a line C. on a line D. in lin

题目详情

The children are standing _____ to get on the bus.  
[     ]
A. on line
B. with a line
C. on a line
D. in line
题型:单选题难度:中档来源:同步题

答案

D

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