For those involved, the scandal has been a very________(pain)experience
painful
暂无解析
Studentsshould（）theirowninterestsaswellasdotheirschoolwork.
InAugust1977,asatellitetogatherdataaboutthe10millionblackholeswhicharethoughttobeintheMilkyWay.
Itwas________ofyounottodisturbuswhileweweresleeping
Thesadconditionofwomenworkingashouseservantsaroundtheworldreceivedmuchmedia_____earlythisyea