Question

______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

Answer 1

答案B
从句意分析，promise后是同位语从句，因此首先排除A、D两项;如果用it作形式主语，all之后不能用逗号，故选B项。