In1900,theenergyderivedfromburningpetroleumwasonlyfourpercent______ofcoal.
A、thatA
暂无解析
Whenyoufallinloveforthefirsttime,it’ssurprising______inconveniencesyoucanputupwith.
Homingpigeonisusefulasa______carrierbecausewhentakenfromhome,itwillreturnatthefirstopportunity.
Thesuspectcooperatedfullywiththepolicewhen______abouthisroleintheincident.
Onarrivinghome,theboytoldhisparentsaboutallthe______whichoccurredinhisdormitory.
Shewasso______thenoisethatshesentthechildrentobed.