To fill in the gaps in the passage about Tuan's new school, the options likely available would be:

1. (1) **in**
2. (2) **students**
3. (3) **washes**
4. (4) **He has**

So the completed passage would read:

"Tuan's new school is (1) **in** the country. It is big. His school has four floors and twenty-four classrooms. There are eight hundred and sixty (2) **students** in his school. They are friendly and study very hard. Every day, Tuan gets up at six thirty. He gets dressed, brushes his teeth and (3) **washes** his face. He (4) **has** breakfast at half past six. He goes to school at seven. Today is on duty. He comes to school very early."