Notallbirdscanfly,______doallbirdsbuildnests.
A、notB
暂无解析
Whenyoufallinloveforthefirsttime,it’ssurprising______inconveniencesyoucanputupwith.
Wehavetowaitforthebus,______?
Whilecrossingthemountainarea,allthemencarriedgunslestthey______bywildanimals.
Homingpigeonisusefulasa______carrierbecausewhentakenfromhome,itwillreturnatthefirstopportunity.
Americanseat______vegetablesperpersontodayastheydidin1910.