III
1. had been
2. called
3. in
4. which
5. started
6. whether
7. an
8. it
9. than
10. to
I
1. I saw him get in through the window.
2. She had worked so hard that she made herself sick.
3. Though the traffic was bad, I arrived on time.
4. We were so late that we missed the first act of the play.
5. They are the birds that I fed this morning.
6. I wish I knew many English words.
7. She asked me if 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.
cấu trúc: adj+to V
10. John invited Sarah to come to his birthday party.
xin hay nhất ạ
