Gửi bn

@Yui

1. How long have you given up smoking? For about two years.

→ For about two years. → chỉ thời gian ⇒ dùng how long

2. Which place is more densely populated – Ha Noi or Ho Chi Minh City?

→  Ha Noi or Ho Chi Minh City? → có lựa chọn ⇒ dùng Which

3. Who broke Jane’s favorite vase? Her brother did it.

→ Her brother did it. → chỉ người → dùng Who

4. What does Mr. Brown do? He’s a researcher.

→ He’s a researcher.→ chỉ nghề nghiệp→ ta có câu hỏi: What does sb do?

5. How many ethnic groups are there in your country?

→ are there → chỉ số lượng bao nhiêu?

∑òωó~ Chúc bn học tốt