Помогите с упражнениями по английскому!

1. My mother has lived here all her life, but her parents haven't. They've been __________ in this country for forty years. Lived?

2. I'm not interested in math, but my mother is. She likes __________ figure ___________ very difficult math problems. I have no idea, что здесь будет))) 

3. I'm usually neat, but my sister isn't. She never hangs _________ her clothes or ___________ away her books.

4. He studied Portuguese instead because he's thinking ____________ _______________ to Brazil on his next vacation.

5. My mother doesn't know how to knit, but I do. ___________ been ___________ little hats and sweaters all month because my cousin _______ _____________ __________ ____________ a baby.