In1900,theenergyderivedfromburningpetroleumwasonlyfourpercent______ofcoal.
A
暂无解析
JeansaresohotthesedaysthatbignamestarsappearonTVadvertisingfortheir______brands.
There______nothingmorefordiscussion,themeetingendedearlierthanexpected.
______thepopularityofrobotsinJapan,thecountry’srobot-productiongrowthisslowingdown.
Thosewhochangemobilephonestoofrequentlywillhavetopayforbeing______.
Manypatientsinsistonhavingwatcheswiththeminhospital,______theyhavenoschedulestokeep.