In1900,theenergyderivedfromburningpetroleumwasonlyfourpercent______ofcoal.
A、thatA
暂无解析
Mrs.Smithlockedboththefrontandthebackdoorsbeforeshewenttobed______thatsomeonemightstealintothehouseatnight.
______wecanhopeforistoavoidcompletefailureinthecominggamewiththatstrongteam.
Americanseat______vegetablesperpersontodayastheydidin1910.
Hecomplainedtothebooksellerthattherewereseveralpages______inthebook.
Iknowmylimitations,soIwon’tdoanything______myability.
