His bikes have been sold out的被动语态是什么

His bikes have been sold out的被动语态是什么 A total of 50000 new bikes ( ) in this city each year.A.has been registered B.are registered C.is registered D.have been registered His both parents have been abroad 这句话对吗 Unconsciously,we have been turned from his purpose什么意思 Not only his parents but also his brother___to the Summer Palace.They haven't been back.A.have been B.have gone C.has gone D.has been his number would have been up 语境：If my brother had driven home from bar that night,his number would have been up.Something bad would have happened. The manager and his wife ________to paris three times.A.have gone B.went C.have been D.has been have been have been have been have been he has 15 bikes to fix up and give away to children who don't have bikes.改为同义句：He needs ( )( )( ) 15 bikes and ( ) the bikes ( ) to childre who don't have bikes. 同义句转换:he has 15 bikes to fix up and give away to children who don't have bikes.He needs ( )( )( ) 15 bikes and ( ) the bikes ( ) to childre who don't have bikes. Tom with his parents_____to America.They _____back in two weeksA.have gone;will come Bhas gone;will come C have been;have come D have been;come The light in his office is out.He_________ left for home.A.must have B.must have been C.should have D.should have been She with his parents ____ been to the West Lake before (have/has) 为什么She with his parents ____ been to the West Lake before (have/has) How many new bikes do they have?的意思是什么 I ____him since his childhood.A.have been knowing.B.had been knowing.为什么选B啊