Question

【题目】A healthy diet and adequate physical exercises are the keys ______ a better life.

A.of havingB.to haveC.for havingD.to having

Answer 1

【答案】D

【解析】

考查固定搭配。句意：健康的饮食和适当的体育锻炼是拥有更好生活的关键。固定搭配：the key to sth./doing sth.“某事或做某事的关键”，此处to是介词，后面用动名词作宾语。故选D。