分类：教育/科学-学习帮助
问题：大学英语D(s)suppliedinthebrackets.Pl 
D (s)suppliinthebrackets.Pleasetakecaretousetherightformandkeeptheoriginalmeaning.21.Westill[developfarmoreslowlythan]manyofourcompetitorsinusingmoderntechnology.(lagbehind)Re [fixedandimpossibletomovein]thelock.(stick)Re [moveandchangeatthesamespeedas]changesinthemarket.(keepD (s)suppliinthebrackets.Pleasetakecaretousetherightformandkeeptheoriginalmeaning.21.Westill[developfarmoreslowlythan]manyofourcompetitorsinusingmoderntechnology.(lagbehind)Re [fixedandimpossibletomovein]thelock.(stick)Re [moveandchangeatthesamespeedas]changesinthemarket.(keeppacewith)Re [availableforyoutouse]forthewholeyear.(atone'sdisposal)Re [righttoenter]therestrictedarea.(access)Re [hasconnection]withtheoutsideworld.(contact)Re [suddenlychanged]fromragstoriches.(leap
回答：21.Westillarefarmoreslowlydevelopedthan... ntacts27.leaped