Notallbirdscanfly,______doallbirdsbuildnests.
A、notB
暂无解析
In1900,theenergyderivedfromburningpetroleumwasonlyfourpercent______ofcoal.
Whenyoufallinloveforthefirsttime,it’ssurprising______inconveniencesyoucanputupwith.
Homingpigeonisusefulasa______carrierbecausewhentakenfromhome,itwillreturnatthefirstopportunity.
Hertalentandexperience______hertotherespectofhercolleagues.
Shewasso______thenoisethatshesentthechildrentobed.
