Fill in the blanks with the correct form of the verb 'to be' (am, is, are).

Here are the answers to the quiz:

1. He is my brother. The correct option is A.

   • A) is

2. We are going to school. The correct option is B.

   • B) are

3. It is a beautiful day. The correct option is A.

   • A) is

4. You are my best friend. The correct option is B.

   • B) are

5. They are happy today. The correct option is C.

   • C) are

6. I am ready for the test. The correct option is A.

   • A) am

7. She is playing in the garden. The correct option is A.

   • A) is

8. We are friends. The correct option is B.

   • B) are

9. The dog is barking loudly. The correct option is A.

   • A) is

10. I am learning English. The correct option is A.

    • A) am