是his ill 还是his illness?

是his ill 还是his illness? ----Do you know Tony is ill in hospital?----Yes.I think eating unhealthy food is the __of his illne----Do you know Tony is ill in hospital?----Yes.I think eating unhealthy food is the __of his illness.A.reason B.cause C.result D.end His mother is ill in hospital,so he has to help his mother -------the housework,填with 还是do? His father is ill in the hospital. His mother was b____ ill last night his mother was ____ (bad) ill yesterday, Mike is ill.His mother feels__(worry) 是get his home 还是get to his home 是What is his birthday还是When is his birthday? 是off his head 还是off with his headRT、 是does his homework 还是do his homework The boy felt ( )unhappy because of his( ).怎么填第一个括号是填‘ill’还是‘sick’,为什么?第二个应该是填‘illness’吧这是单选题 _____for a long tine,but he tired his best to catch up with his classmatesa.having been ill b.being ill c.he was ill d.phenomenon不好意思 D.是TO BE ILL her、his是复数还是单数 是his还是he name is Alan his hobbies是单数还是复数 his His