Đáp án:
18. The waitress told us to come back in two hours
19. My client and I slowly walk back to the car.
20. Then we saw a small grocery store.
21. We stoppedin the grocery store and bought some sandwiches.
22. That was better than waiting for two hours.
23. I didn't go to school last Sunday.
24. She got married last year?
25. What did you do last night? - I did my homework.
26. I loved him but no more.
27. Yesterday, I got up at 6 and had breakfast at 6. 30.
28. They bought that house last year.
29. She didn't go to school yesterday.
30. That boy had some eggs last night.