your radio needs to be repaired.为什么是这种句式

your radio needs to be repaired.为什么是这种句式 Your bike needs to be repaired 安装win7后出现your pc needs to be repaired Your radio repaired 怎么读 My watch needs repairing.= My watch needs to be repaired这句我理 一道英语奥数题there is a road to be repaired.A needs 10days to fini 英语翻译是不是My car needs to repaired your hair needs 为什么用to be cut 而不用being cut 有重谢 Your house needs cleaning =Your house needs to be cleaned is that the radio which you want to have repaired. one of your disks needs to be checked for consistency. need repaired和need to be repaired 的区别