Those who change mobile phones too frequently will have to pay for being ______.
B
暂无解析
Onarrivinghome,theboytoldhisparentsaboutallthe______whichoccurredinhisdormitory.
Homingpigeonisusefulasa______carrierbecausewhentakenfromhome,itwillreturnatthefirstopportunity.
In1900,theenergyderivedfromburningpetroleumwasonlyfourpercent______ofcoal.
Americanseat______vegetablesperpersontodayastheydidin1910.