I.

1. is

2. are

3. is 

4. are

5. is

II.

1. How many teachers are there in your school?

2. Mary and Jane are students in this school.

3. His school is small but it is in a big city.

4. How many classrooms are there in Phong’s school?

5. My school has four foors and my classroom is on the second floor.

@Canh

1. Ladies and gentlemen. Here is the news.

2. Where are my jeans?

3. Further information is available in the offíce.

4. The stairs are over there, Sir.

5. The furniture in our classroom is uncomfortable

Bài 2: 1.How many teachers are there in your school?

          2. Mary and Jane are students in this school.

          3. His school is small but it is in a big city.

          4. How many classrooms are there in Phong’s school?

          5. My school has four foors and my classroom is on the second floor.