Policeare________thedisappearanceoftwochildren.
A、lookingupC
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
Perseveranceisakindofqualityandthatis_______ittakestodoanythingwell.
WhichofthefollowingisNOToneofthecontextclues?
Lexicalmanipulationisoneaspectoftherhetoricalfeaturesofidioms.ThefollowingEXCEPT______belongtolexicalmanipulation.
CollinsCOBUILDEnglishLanguageDictionary(1987)hassomeuniquefeaturessuchasdefinition,extracolumnand______.
Eachofusshould_______asideafewminutestohavearesteveryday.
