I
7. C so ( S + be + so + adj + that + S2 + V )
8. B. enough
9. B good enough
10. C good enough
11. D so that
12. B such
13. D is too difficult
14. C interesting enough
15. C so poor
II
1. C we to buy ⇒ us to buy
2. A such ⇒ so
3. C not to ⇒ to
4. B so ⇒ too
5. B interested ⇒ interesting
6. A very ⇒ too
7. D nothing ⇒ anything
8. A so many ⇒ so much
9. B so ⇒ such
10. A so ⇒ such