We cannot leave this tough job to a person ________.
B
译文：我们不能把这样一份艰巨的工作交给一个没有自信的人。本题考查定语从句，haveconfidenceinsb是固定用法，关系代词whom用作介词in的宾语。
Youshouldhelpthem________whenyourfriendsquarrelwitheachother.
CollinsCOBUILDEnglishLanguageDictionary(1987)hassomeuniquefeaturessuchasdefinition,extracolumnand______.
What he told us was more of a(n) ________ than a reality.
To write up his novel, John is looking for an environment free ________ outside distraction.
Towriteuphisnovel,Johnislookingforanenvironmentfree________outsidedistraction.