句子who dose the old man looking after?为什么不是不用look after而用look

look after the old man Who looks after Rose 为什么这里要用looks而不用Who does look after Rose The old man needs _____.A.to look after B.looking after C.be My job is looking after the old man.还是My job is to look afte Who _____(look) after the old man when his arm was broken? look,the boy is chansing the dog 问一下 为什么必须用running after 而不用 They both take turns___(look after)the old man You must _____ (look) after the old man. the young must look after the old 我想知道为什么要用the 是 My job is looking after the oid man.还是My job is to look af She often goes to help the old man and tries to look after h Look!An old man is running after a dog.The s______ is really