Grammar Drills A. Fill in the blanks with the correct form of the verb 'be'. Dona. I thirteen years old. I high school. My father Bono. He 35 years old. My father an easy-going person. All his friends like to be around him. My mother's name Susan. She 32 years old. My parents lawyers. I have an older sister and a little brother. Rena 16. She enjoys being around other people. She my little brother. He He always feels sure about his ability to do things. They sing. We a student at a junior nine. I like him because he my older sister. She so extroverted. Bobi a confident person. also students. We can singers. Sometimes we sing at a wedding or birthday party.​