LANGUAGE FOCUS
1. Use your knowledge to answer the questions. Use “who”, “which” or “that” in your answers and start your answers with the words given.
(Sử dụng kiến thức của mình để trả lời các câu hỏi. Sử dụng các từ who, which hoặc that trong câu hỏi và bắt đầu câu trả lời của mình bằng các từ cho sẵn.)
a)    Which city in Japan was struck by a huge earthquake in 1995?
The city ...
b)   Which country won the 1998 Tieer Cup?
The country ...
c)    Which animal has one or two horns on its snout?
The animal ...
d)   Which explorer discovered America?
The explorer ...
e)    Which planet is closest to the Earth?
The planet...
f)    Which animal in Viet Nam was chosen to be the logo of SEA Games 2003?
The animal ....
g)    Which ASEAN country is divided into two regions by the sea?
The ASEAN country ...
h)   Which food you can chew but you cannot swallow and which one you can swallow but vou cannot chew?
The food....
Trả lời:
1. The city in Japan which was struck by a huge earthquake in 1995 in Japan is Kobe.
2. The country which won the 1998 Tiger Cup is Singapore.
3. The animal which has one or two horns on its snout is rhinoceros.
4. The explorer who discovered America was Columbus Christopher
5. The plaru't which is closest to the earth is Mars.
6. The animal in Vietnam, which was chosen to be the logo of SEA Games 2003, is the buffalo.
7. The AS KAN country which is divided into two regions by the sea is Malaysia.
8. The food which you can chew but you cannot swallow is chewing gums anti the thing you can swallow bin you cannot chew is water.
2. Match each of the sentences in column A with a related sentence in column B. Then use a suitable relative pronoun to join the two sentences.
Example: 1. Andrew is flying to Sacramento.
e. Sacramento is the capital city of California.
⟶ Andrew is flying to Sacramento, which is the capitaI city of California.

Column A

Column B

1. Andrew is flying to Sacramento. 2. It snowed in Lang Son in the winter of 2002. 3. Pompeii was completely destroyed in A.D. 79 by an eruption of Mount Vesuvius. 4. Hurricane Andrew killed 41 people and made more than 200,000 homeless. 5. The cyclone of November 1970 in Bangladesh was one of the worst natural disasters of the 20th century. 6. The most disastrous earthquake in Japanese history damaged Tokyo and Yokohama and killed about 150,000 people. 7. The October 1989 Loma Prieta earthquake caused extensive damage to older buildings in San Francisco Bay Area.

a) Hurricane Andrew swept through southern Florida in August 1992. b) The Loma Prieta earthquake measured 7.1 on the Richter scale. c) The cyclone killed about 500,000 people. d) The most dangerous earthquake in Japan occurred in 1923. e) Sacramento is the capital city of California. f) Pompeii is an ancient city of Italy. g) Lang Son is on the Ky Cung River.

Trả lời:
2 - g In the winter of 2002, it snowed in Lang Son, which is on the Ky Cung River.
3 - f Pompeii, which was completely destroyed in A.D. 79 by an eruption of Mount Vesuvius, is an ancient city of Italy.
4 - a Hurricane Andrew, which swept through southern Florida in August 1992, killed 41 people and made more than 200.000 homeless.
5 - c The cyclone of November 1970 in Bangladesh, which killed about 500.000 people, was one of the worst natural disasters of the 20th century.
6 - d The most disastrous earthquake in Japanese history, which occurred in 1923, damaged Tokyo and Yokohama and killed about 150.000 people.
7 - b The October 1989 Loma Prieta earthquake, which measured 7.1 on the Richter scale, caused extensive damage to older buildings in San Francisco Bay Area.
3. Underline the relative clause in the sentence. Then add commas to separate the non-defining relative clause from the rest of the sentence.
(Gạch chân mệnh đề quan hệ trong các câu. Sau đó thêm dấu phẩy để ngăn cách mệnh đề quan hệ không xác định với phần còn lại của câu.)
a) Viet Nam which is in south-east Asia exports rice.                                       
⟶ Viet Nam, which is in south-east Asia, exports rice.
b) Kangaroos which come from Australia have long tails.
c) Ba who lives on Trang Tien Street likes playing the guitar.
d) The novel that you gave me on my birthday has been lost.
e) Neil Armstrong who first walked on the moon lived in the USA.
f) The chair that I bought yesterday is broken.
g) Miss Lien who sings very well is my English teacher.
Trả lời:
a) Viet Nam, which is in south-east Asia, exports rice.
b) Kangaroos, which come from Australia, have long tails.
c) Ba, who lives on Trang Tien Street, likes playing the guitar.
d) The novel, that you gave me on my birthday, has been lost.
e) Neil Armstrong, who first walked on the moon, lived in USA.
f) The chair, that I bought yesterday, is broken.
g) Miss Lien, who sings very well, is my English teacher.
4. Rewrite the sentences in Exercise 3. Replace each underlined clause with a clause YOU have written. You may use facts or your imagination.
(Viết lại các câu ở Bài tập 3. Thay các mệnh đề được gạch chân bằng các mệnh đề do bạn viết. Bạn có thể sử dụng các sự kiện hoặc trí tưởng tượng của mình.)
Examples:
Kangaroos, which come from Australia, have long tails.
Kangaroos, which can be seen everywhere in Australia, have long tails. Kangaroos, which are called chuot tui in Vietnamese, have long tails. 
Trả lời:
a) Vietnam, which is a country member of ASEAN, exports rice.
b) Kangaroos, which stand for Australia, have long tails.
c) Ba, whose house is on Trang Tien Street, likes playing the guitar.
d) The novel, which I forgot on the table, has been lost.
e) Neil Armstrong, who was the first man walking on the moon, was an American.
f) The chair, which is in her room, is broken.
g) Miss Lien, who is the youngest and loveliest in our school, is my English teacher.