Bài 11:
1. last
2. was
3. at
4. such
5. postcards
6. much
7. return
8. exciting
Phần trả lời câu hỏi:
1. He was in Ha Noi, the capital of Viet Nam.
2. He stayed in Ha Noi for three weeks.
3. He visited a lot of interesting places such as Uncle Ho's Mausoleum, Ba Dinh Square, West Lake, Lenin Park, etc.
4. He bought some postcards for his friends and a cap with a national flag on it.
5. Yes, he did.
6. When he came back to Ho Chi Minh City, he spoke to his friend about his exciting vacation.