I breathed a sigh of when I heard my children were safe at home. A. relaxation B

 I breathed a sigh of ________ when I heard my children were safe at home.

A. relaxation          B. regret                C. recovery           D. relief

试题答案

【解析】选D。句意：当我知道孩子们在家很安全时，我才宽慰地喘了口气。relief“安慰，宽慰；缓解；救济”。此处为“宽慰，放心”的意思。