UNIT 11: NATIONAL PARKS
LANGUAGE FOCUS (TRỌNG TÂM NGÔN NGỮ)
• Pronunciation /t/ /d/
• Grammar and Vocabulary
Exercise 1. Hoàn thành câu, dùng dạng đúng cùa động từ trong ngoặc.
1. had known 5. could have enjoyed
2. had had 6. had known
3. would have gone 7. had stopped
4. would have passed 8. had called
Nguồn gốc thực sự của đau khổ là sự nhút nhát của chúng ta.
The true source of our sufferings has been our timidity.
John Adams
