VOCABULARY
1. Use the correct form of the words in the box to complete the sentences. (Dùng dạng đúng của từ cho trong khung để hoàn thành câu.)
* Đáp án            
1. infrastructure                        2. sustainable                 3. renewable
3. overcrowded                         4. inhabitants
2. Complete the sentences, using the correct form of the word in brackets. Add -free or anti- if necessary. (Dùng dạng đúng của từ cho ngoặc đê hoàn thành câu, thêm -free hay anti- nếu cần.)
* Đáp án           
1. medtalion                2. cholesterol-free                   3. anti-acne
4. ageing                     5. expectancy
PRONUNCIATION
3. Listen to the sentences. Mark their intonation patterns, using /,or / Then practise saying them. (Hãy nghe những câu sau, đánh dấu ngữ điệu /., hoặc /, sau đó thực hành nói.)
Click tại đây để nghe:

* Đáp án
1. A B.                                  2. A      B. /
3. A/   B. /                                4. A /     B. /
GRAMMAR
4. Complete each question, using the correct question tag. (Dùng câu hỏi đuôi phù hợp để hoàn thành câu hỏi.)
* Đáp án          
1. do they                    2. haven't they
3. will you                    4. didn't we        5. are they
5. Rewrite the sentences, beginning as shown. (Viết lại những câu bên dưới, bắt đầu như đã cho.)
* Đáp án
1. Dr Quan said (that) ỉ / we may / might feel much better if i / we start / started practising meditation.
2. Lan said (that) if I want / wanted to try natural remedies, I can / could find useful information on the Internet.
3. Huong told me (that) if she drinks strong tea, she usually starts feeling dizzy.
4. if you use solar water heater in your home, you reduce your carbon footprint.

5. if you use the high-speed motorway, it takes three hours and a half to travel from Ha Noi to Lao Cai.
6. Change the sentences in reported speech in direct speech. (Hãy chuyển gián tiếp sang câu trực tiếp.)
* Đáp án
1. "Van, you should take a yoga class to relieve stress," said the doctor.
2. "Why don't you use the new high-speed motorway?" the travel agent suggested. / "Let's use the new high-speed motorway," the travel agent suggested.
3. "Kevin, remember to go to your fitness class," said his brother. / "Kevin, don't forget to go to your fitness class," said his brother.
4. "I'll call you once a week while you are studying in Singapore," said my sister.
5. "Don't work out more than thirty minutes a day," our fitness instructor said.