将下列句子整合成现在完成时,he just have breakfast
将下列句子整合成现在完成时
1.he just have breakfast
2.they buy a new house for two years
3.mother sweep the floor yet
4.Nigel send this letter
5.the train leave for twelve minutes
将下列句子改成被动语态
1.Grandma will take care of my sister.
2.Jim had finished the work.
3.She was writing a letter this time yesterday.
4.He made a bookcase for his daughter.
5.The nurse is looking after the baby.