Dr. Johnson ______ the patient of the safety of the operations.A、guaranteedB、co

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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;使放心”.其用法为assure sb. of sth. ,故为答案。而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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