第26题:[单选题]She gripped her husband's arm lest she fall down. A.let B.liable C.ensure D.in case 参考答案:D 本句意思:“她紧紧地抓住丈夫的胳膊唯恐摔倒。”lest:唯恐,以免。in case:以防,免得。例如:Take an umbrella with you in case it rains.给你自己带把伞以防下雨。 let:让。例如:Let's leave now or we'll be late.我们现在就走吧,否则我们就迟到To liable: 易……。例如:People are all liable to be irritated when they are depressed.人们沮丧时往往易怒。 ensure:确保。例如:Our job is to ensure the safety of the attendants.我们的任务是确保来宾的安全。