In1900,theenergyderivedfromburningpetroleumwasonlyfourpercent______ofcoal.
A、thatA
暂无解析
Americanseat______vegetablesperpersontodayastheydidin1910.
Hertalentandexperience______hertotherespectofhercolleagues.
Insummer,shewouldsitinthegardenenjoyingthefreshairandthesmellofthethingsshe______.
Theproposaldeservessupportasitgives______totheneedsofchildren.
Onarrivinghome,theboytoldhisparentsaboutallthe______whichoccurredinhisdormitory.