Dựa vào ngữ cảnh trong bài, đây là gợi ý cho các chỗ trống:

1. "very early so that we could arrive at the village early in the morning."
**Đáp án: A. so**

2. "there were up to twenty members in our class..."
**Đáp án: B. down**

3. "that was the most interesting part of our trip."
**Đáp án: A. the most interesting**

4. "to make pottery products by themselves..."
**Đáp án: C. make**

5. "were told that pottery-making skills were passed down from generation to generation."
**Đáp án: D. passed down**

Vậy các đáp án sẽ là: 1A, 2B, 3A, 4C, 5D.