来源：学生作业帮 编辑：拍题作业网作业帮 分类：英语作业 时间：2024/05/02 19:21:17
was known to all,William had broken his promise he would give us a rise. A.As;which B.As;that C.It;that D.It;which
解题思路： as is（was） known to all为固定结构，表示“众所周知”，as为关系代词，代表后面所说的整个事件；promise后的句子为同位语从句，对promise的内容作详细说明，用that连接。
解题过程：
答案：B
最终答案：略
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