题目内容
______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 |
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。
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