问题补充:
单选题Hetriedhardtokeepcalminfaceofthepolicemen,butthesweatonhisforehead_________.A.turned him downB.gave him awayC.showed him outD.shut him off
答案:
B解析本题考查动词短语辨析。句意:面对警察,他努力保持冷静,但他额头上的汗让他露出了马脚。give away出卖。turn down拒绝;show out送出(客人)shut off关掉,与shut down意思相近。