238.He must be helping the old man to water the flowers,____

238.He must be helping the old man to water the flowers,____ he must be helping the old man to water the flowers, Look,the old man _ (water) the flowers in the garden. The old man is ___the flowers with water in the garden.A.put 英语好的人进空the old man 空《water》the flowers every day. We must be kind to the old. They ____ (water) flowers when I got to the garden. I'm sorry I ____(forget)to water the flowers. look,he ______( carry)water for the old man. We must water the flowers every day. The flowers must ________(water)every day. The old man shoud be spoken to