I. Write the sentences, using the adjective + to –infinitive structure.
1. It/ difficult/ learn/ Japanese.
It is difficult to learn Japenese.
2. We/ delighted/ get/ your letter/ yesterday.
We are delighter to get your letter yesterday.
3. It/ not easy/ answer/ these questions.
It is not easy to answer these questions.
4. Your writing/ difficult/ read.
Your writing is difficult to read.
5. I/ surprised/ see/ Tom/ the party/ last night.
I was surprised to see Tom at the party last night.
6. It/ impossible/ understand/ his theory.
Is is impossible to understand his theory.
7. They/ ready/ start/ now.
They are ready to start now.
8. It/ interesting/ see/ that film.
It is interesting to see that film.