The mother didn’t know to blame for the broken glass as it happened while she wa
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The mother didn’t know to blame for the broken glass as it happened while she was out.?
A.who B.when C.how D.what?
试题答案
A
know后接“疑问词+to do sth.”作宾语。blame是及物动词，who表示人，作宾语。妈妈不知道对她碰巧外出时玻璃被打破这件事该责备谁。