Bài tập 2: Viết lại các câu sau dựa vào từ cho sẵn
1. They didn’t get around to work until they had finished eating. (Only) 

2. They had to wait for 14 hours before their flight left. (Only)

3. If Casper weren’t busy right now, he could help them. (Were)

4. If Sarah had said sorry, he wouldn’t have been angry. (Had)

5. He bought so many books that he didn't know when to read them. (So)

6. Sarah has such a soft voice that everyone likes her. (Such)

7. My mom had never been so happy before. (Never before)

8. Customers rarely find good but cheap service these days. (Rarely)

9. He not only wasted all his money but also borrowed some from me. (Not only)

10. He had hardly left the bathroom when the telephone rang. (No sooner)