Have you watered the flowers!的否定回答

Have you watered the flowers!的否定回答 Have you watered the flowers?But 一道英语单选.请老师们快速回答,并说明下理由. -Andy,have you watered the flowers? The flowers can be watered every day改为否定句 The boy watered the flowers Have they watered the flowers ____?Yes,they have done it___ Tom's parents saw the accideThe flowers have been watered,i In such dry weather ,the flowers will have to be watered if The flowers can't have been watered often enough,___they are In such dry weather,the flowers will have to be watered if t 英语18.In such dry weather,the flowers will have to be watered In such dry weather the flowers wii have to be watered if th