为什么‘who can sing better than （him）

为什么‘who can sing better than （him） 英语连词成句 can than i you sing better No one can sing better than he.He sings____. _____Nancy sing better than Helen? who can you sing改错 WHO CAN SAVE HIM? You can do better than( )A.him and hers B.he and me C.I and You can do better than You can do better than ( ) . "She knows better than to believe him. I know him better than you do这儿为什么用vt.结尾 I know him better than you do.这句话中为什么最后加了个do