1. We were so tired that we went to bed early.
2. It is such a difficult lesson that we can't understand it.
3. It is such an old car that he doesn't want to drive in.
4. The weather was so cold that we couldn't go out.
5. It was such an interesting film that we couldn't miss it.
6. David has so many girlfriends that he can't remember all of their names.
7. Tom drives so fast that he often causes accidents.
8. This is such good tea that I think I'll have another cup.
9. John was too angry to say anything.
10. They are such long exercises that I can't finish them in an hour.
