I __ a doctor., is, am, are, He ___ so happy!, is, am, are, We ____ happy., is, am, are, She ____ in the park., is, am, are, she __ my sister., is, am, are, They_____ my parents, is, am, are, she __ a doctor., is, am, are, Alex and I ______ best friends., is, am, are, they __ singers., is, am, are, Jen ____ ten years old., am, is, are.

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