2. 职称英语
  3. The mother didn’ t know ______to blame for the broken glass as it happened while

The mother didn’ t know ______to blame for the broken glass as it happened while

游客2025-03-04  20
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 本题考查动词不定式的疑问式的用法。连接代词或副词+不定式构成了不定式的疑问式，在句子中可以做主语、宾语、表语或状语，如：Mr．Li taught us how to work out the difficult problem(李先生教我们如何解难题)；Please tell me when to start(请告诉我伺时出发)。
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