Don't be angry with the boy. He made the mistakes _________.[ ]A. on purpose B. by accidentC. i

题目简介

Don't be angry with the boy. He made the mistakes _________.[ ]A. on purpose B. by accidentC. i

题目详情

Don't be angry with the boy. He made the mistakes _________.
[     ]
A. on purpose      
B. by accident      
C. in surprise        
D. at once
题型:单选题难度:中档来源:期中题

答案

B

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