We have sometimes accidents on this line, but no accident______since last winter. -题库考试答案搜索网

We have sometimes accidents on this line, but no accident______since last winter.

单选题

2021-07-18 13:03

A、has been occured  
B、has occurred
C、has been occurring   
D、is occurring

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正确答案

B

试题解析

B

标签：土木工程专升本英语3 河北工业大学英语3

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