Policeare________thedisappearanceoftwochildren.
C
A (在书中)查找 B 仔细查阅，审查， (对某人)视而不见 C 调查，研究，查问 D. 观看，旁观，看待
Towriteuphisnovel,Johnislookingforanenvironmentfree________outsidedistraction.
OxfordAdvancedLearnersDictionary’,3rdEdition(1980),isamongthebest-knownBritish______dictionaries.
Ifyoutrytolearntoomanythingsatatime,youmayget________.
CollinsCOBUILDEnglishLanguageDictionary(1987)hassomeuniquefeaturessuchasdefinition,extracolumnand______.