On arriving home, the boy told his parents about all the ______ which occurred in his dormitory.
A、occasionsC
暂无解析
In1900,theenergyderivedfromburningpetroleumwasonlyfourpercent______ofcoal.
Americanseat______vegetablesperpersontodayastheydidin1910.
Theproposaldeservessupportasitgives______totheneedsofchildren.
Iwasshockedbythenumberofpeoplewhoseemedtohavenothingbettertodowiththeirtimethan______toknowfishbetter.
OneoftheresponsibilitiesoftheCoastGuardistomakesurethatallships______followtrafficrulesinbusyharbors.
