In 1900, the energy derived from burning petroleum was only four percent ______ of coal.
A、thatA
暂无解析
Americanseat______vegetablesperpersontodayastheydidin1910.
Whenyoufallinloveforthefirsttime,it’ssurprising______inconveniencesyoucanputupwith.
Inordertobuyanewcar,youshouldatleast______onehundreddollarsaweek.
Mrs.Smithlockedboththefrontandthebackdoorsbeforeshewenttobed______thatsomeonemightstealintothehouseatnight.
Ifyou’resittingaroundalonelycampfireatnight,thehowlofawolfcansoundpretty______.
