1, Very / working / and / it / hard / the / Hoa’s / harvest / parents / farm / time / is / are / on.
Hoa's parents are working on the farm very hard and it is harvest time.
2, a / from / her/ week / mother/ she / received / last / letter.
She received a letter from her mother last week.
Mình không biết câu 3 có nhầm đề không nhưng mà mình không làm được.