短文改错，正确的在横线上打“√”，错误的在横线上订正。

    We've just moved in a house and we want to    1. _____

buy a new color television set, and I'm not    2. _____

sure about a size. Maybe we should buy a big    3. _____

one. If we buy a small one, we might have    4. _____

to change for it in a few years' time for a bigger    5. _____

one. My husband thinks it's no necessary to buy    6. _____

a very big one. He said our sitting room isn't very    7. _____

big. If we put in a very big television, they will    8. _____

be bad for our eyes. Anyway, we'd better to make    9. _____

quick decision because the price may go up soon.    10.