22. Bac Giang, where I was born and grew up, is a city. (where = in which)

(Vì chủ ngữ là "Bac Giang" đã được xác định nên ta dùng dấu phẩy để ngăn cách câu)

23. We've not decided the day when we'll go to London. (when = on which)

(Vì "the day' k xác định nên không dùng dấu phẩy)

24. The man whom I love with all my heart made me sad the most.

25. This was a really good news that the thief was caught.

26. The gentleman who was introduced as the most successful businessman was very young.

27. His book, which was published last year, became the best seller.

28. Neil Armstrong, who walked on the moon, lived in the USA.

29. Nam, who learns in our class, is very intelligent.

30. Ha Long, where I visited last year, has grown into a big city over the past few years.