短语检测 two ________ of three每三个中有两个;三分之二one ________三分之一once ________ seven years每七年一次for ________待售or ________左右,大约be ready ________...乐意……;愿意……
Heaccidentally_______hehadquarreledwithhiswifeandthathehadn’tbeenhomeforacoupleofweek.
Wehaveto________thewheatassoonaspossiblebecauseastormisontheway.
Onceadecisionhasbeenmade,allofusshould______it.
Beforethewarbrokeout,manypeople________insafeplacespossessionstheycouldnottakewiththem.
It’stenyearssincethescientist________onhislife’sworkofdiscoveringthevaluablechemical.