______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
參考答案: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。
______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
參考答案: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。