2019到2020年英语周报高二新课标第一期答案

2019到2020年英语周报高二新课标第一期答案，小编收集了2019到2020年英语周报高二新课标第一期答案的相关答案，没有答案的敬请期待！完整版的周报答案关注wx号：趣找答案

1. It was as a result of his carelessness _______ a serious fire broke out during the night.

A . when

B . that

C . before

D . since