The mother didn’t know______to blame for the broken glass as it happened while s

游客2024-06-19  11

问题 The mother didn’t know______to blame for the broken glass as it happened while she was out.

选项 A、who
B、when
C、how
D、what

答案 A

解析 本题考查宾语从句的用法。空格中需填入宾语从句的引导词。当从句中缺少主语、宾语或表语时,可用who,whom或what作引导词。其中what指代物,who指人(在从句中作主语),whom指人(在从句中作宾语)。在本题中,从句缺主语,因此用who,A为正确选项。
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