Here are the best options to complete the sentences in the exercise:

1. **B. went**
2. **D. in**
3. **C. more**
4. **B. living**
5. **A. so**
6. **D. for**
7. **B. to**
8. **B. could**
9. **B. didn’t**
10. **D. learn**
11. **A. to hear**
12. **C. today**
13. **B. have**
14. **A. used to**
15. **B. was**
16. **A. to follow**
17. **B. sitting**
18. **C. when the phone rang**

Feel free to ask if you need further explanation on any of the answers!