Reduce these following relative clause using to-infinitive or participle. 20. The vegetable which are sold in this shop are grown without chemicals. 21. The only thing which we can do now is wait and see. 22. Who was the first Vietnamese woman that set foot on the Antarctic (Nam Cực) ? 23. Why am I always the last that finds out about these parties? 24. This is the ideal place where we can build a house of our own. 25. The Honda Civic is the best car you should rent for your trip. 26. What are the most interesting things a tourist can see and do in your city? 27. The next question which we will consider is the crucial one. 28. This is the best book which you can read on a long flight. 29. He is not a person who will let little things disturb. 30. Yuri Gagarin became the first man that traveled in space . cảm ơn mn