______thepopularityofrobotsinJapan,thecountry’srobot-productiongrowthisslowingdown.
D
暂无解析
Homingpigeonisusefulasa______carrierbecausewhentakenfromhome,itwillreturnatthefirstopportunity.
In1900,theenergyderivedfromburningpetroleumwasonlyfourpercent______ofcoal.
Iwasshockedbythenumberofpeoplewhoseemedtohavenothingbettertodowiththeirtimethan______toknowfishbetter.
Americanseat______vegetablesperpersontodayastheydidin1910.
Wehopedtobeabletomoveintoournewhouseattheendofthemonth,butthingsdidn’t______asweexpected.