1, This iron bar is so cold that the worker can't strike

2, The weather is so cold that they can't go out

3, He spoke so fast that nobody can understand

4, This tea is so hot that he can't drink

5, The cake is so hard that I can't eat

6, The production is so small that it can't satisfy the need of our city

7, The problem was so complicated that they couldn't solve in a few months

8, The man was so tired that he couldn't say a word

9, I think that my sister is so busy that she can't help them

10, Peter is so young that he can't take part in the club

6. The production is so small that it can't satisfy the need of our city. 7. The problem was so complicated that they couldn't solve in a few months. 8. The man was so tired that he couldn't say a word. 9. I think that my sister is so busy that she can't help them. 10. Peter is so young that he can't take part in the club.