could have done是什么意思？

• 缺陷英文
• ultra
• repeat
• failure
• banger
• approaches
• 权限英文
• BARRIE
• scared
• sweater
• 旋律的英文
• prompt
• 解决方案英文
• lycopene
• giraffe
• lesson
• passage
• intermission
• text
• fake
• droplets
• dragon
• cloud
• giraffe
• cheese
• 分配英文
• peeping
• profile
• bothering
• ticket

• tourist
• default
• fiercely
• 领域英语
• saturday
• 纪念品英语
• passage
• various
• 局外人英文
• client
• mind
• 来源英语
• 抛弃英文
• firmness
• conflict
• predict
• searches
• 队长的英文
• aspect
• begins
• volume
• maths
• reveal
• permitted
• crayon
• 呼吁英语
• lake
• pear
• candy
• satisfaction

• beg for
• murkily
• Paulie
• Dionaea
• a bunch of fives
• By agreement
• interior decorations
• splitted
• scatter about
• vast sums
• sisal
• a general outline
• To satisfy
• boss of wheel
• pneumotaxis
• putrefying
• the open
• sustain an injury
• Hayti
• sympetalous
• approximate quantity
• guaranine
• Shoushan stone
• green syrup
• venter inferior
• incanous