III.
1. had been
2. called
3. in
4. which
5. started
6. whether
7. an
8. it
9. than
10. to
D. Writing
I.
1. I saw him through a window
2. She had worked so hard that she made herself sick
3. Through the traffic was bad, i arrived on time
4. We were so late that we missed the first act of the play
5. They're the birds that I fed this morning.
6. I wish I knew more English words
7. She asked me if/whether I had many friends
8. If we had a lot of money, we would buy a lot of new books.
9. It is not easy to learn English.
10. John invited Sarah to come to his birthday party.
O(∩_∩)O