5. The car is too expensive for us to buy.

:

1. The weather is so cold that we can't go out.
   - It is such cold weather that we can't go out.

2. The book is so interesting that she read it many times.
   - It is such an interesting book that she read it many times.

3. The room was so small that we couldn't put all the furniture into it.
   - It was such a small room that we couldn't put all the furniture into it.

4. The football match was so exciting that they didn't go to bed last night.
   - It was such an exciting football match that they didn't go to bed last night.

5. The garden is so big that there are so many kinds of flowers planted there.
   - It is such a big garden that there are so many kinds of flowers planted there.

6. The dress is so nice that she wears it three times a week.
   - It is such a nice dress that she wears it three times a week.

7. The holiday was so expensive that we couldn't afford it.
   - It was such an expensive holiday that we couldn't afford it.

8. Milk is so hot that the child can't drink it.
   - It is such hot milk that the child can't drink it.

9. The meat was so bad that we threw it away.
   - It was such bad meat that we threw it away.

10. The food was so delicious that we ate it all.
    - It was such delicious food that we ate it all.