A terrible thought () Mr. Smith when he was leaving for work: what if an accident happened while his son was alone at home? ( 章节:4 难度:1)
- A、insured
- B、freed
- C、attacked
- D、struck
正确答案:D
答案解析:有

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A terrible thought () Mr. Smith when he was leaving for work: what if an accident happened while his son was alone at home? ( 章节:4 难度:1)
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