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7. Lam's mother promised to buy him a new bicycle if he stopped eating junk food.
8. Tam said that she would boost her immune system if she exercised regularly.
9. Mai's father said that Mai would recover quickly if she followed the doctor's advice.
10. Anna advised me to exercise more in order to keep fit.
11. My doctor advised me to eat lots of fruit so as not to get colds all the time.
12. She has only been in an international conference about further education once before.
13. I have been writing this essay for hours.
14. The teacher advised Jimmy to work harder if he didn't want to retake the exam./ The teacher said to Jimmy that he should work harder if he didn't want to retake the exam.
15. It's the first time Lisa has studied abroad.
16. I last received a letter from my friend in February.
17. Having prepared her homework carefully, Marie could answer all the questions and got good marks.
18. Although we have been trying to learn English for years, we haven't succeeded yet.
19. While the teacher was giving the lesson, the lights went out.
20. Our school has been building a new canteen since June.
21. Although Henry only started learning English last year, he can now speak it like a native.
22. If the machine stops, press this button.
23. The doctor advised me to lose weight.
24. Mary apoogized to Jack for not going to his birthday party the following Saturday evening.
25. Having read the stories about people who reduced their carbon footprint, we started to change oil daily consumption habits.
26. It took Chiara years to try to pass the First Certificate exam.
27. Having spent all his money, he decided to go home and ask his father for a job.
28. Having met her before, I still remember that.
29. Trang An Scenic Landscape Complex is the eighth World Heritage Site in Vietnam recognised by UNESCO.
30. Neil Armstrong was the first man to walk on the moon.
