In1900,theenergyderivedfromburningpetroleumwasonlyfourpercent______ofcoal.
A
暂无解析
JeansaresohotthesedaysthatbignamestarsappearonTVadvertisingfortheir______brands.
Theproposaldeservessupportasitgives______totheneedsofchildren.
______wecanhopeforistoavoidcompletefailureinthecominggamewiththatstrongteam.
Americanseat______vegetablesperpersontodayastheydidin1910.
Thosewhochangemobilephonestoofrequentlywillhavetopayforbeing______.