Please check these!

[Anonymous]

Hi,
Please check these sentences and correct them.
1. Why are you so busy all the time? & What makes you so busy all the time?
2. What took him to Boston? & Why did he go to Boston?
3. His consultation/advice/massage will make you feel at home.
4. That's his second new car for/in/within 6 months!
5. He was my close friend when I was in elementary school.
6. It's a little bit difficult to speak/talk on the phone.
7. White gets dirty easily.
Thanks a million.
Ann

[Rusty]

1. Why are you so busy all the time?
& What makes you so busy all the time? (OK))
2. What took him to Boston? & Why did he go to Boston? (OK).
3. His consultation/advice/massage will make you feel at home. (At home doesn't sound right here. Try: ...feel better, ...feel comforted).
4. That's his second new car <strike>for/</strike> in/within 6 months!
5. He was my close friend when I was in elementary school. (OK).
6. It's a little bit difficult to speak/talk on the phone. (OK).
7. White gets dirty easily. (OK).