Dr. Johnson______the patient of the safety of the operations.A、guaranteedB、conf

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问题 Dr. Johnson______the patient of the safety of the operations.

选项 A、guaranteed
B、confirmed
C、assured
D、committed

答案 C

解析 [C]assured意为“使确信;保证”,其用法为assure sb.of sth.,故为答案。[A]guaranteed的用法是guarantee sth,to sb.“向某人担保某事”;[B]confirmed意为“证实,确信”,其用法是confirm sth./that从句:[D]committed意为“委托”,其用法是commit sth.to sb.。
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