Fill in the Blanks My Family Fill-in-the-Blanks ActivityOnline version Welcome to our My Family Fill-in-the-Blanks Activity, created by ReadingReadiness.org for Grade 1 students! This interactive exercise will help you learn and practice family-related vocabulary. Read each sentence carefully and choose the correct word from the options provided to complete the sentence. Have fun and learn more about family members with this engaging activity! by Reading Readiness Center 1 cousin Uncle My father's brother is my . 2 niece aunt My mother's sister is my . 3 aunt grandmother My father's mother is my . 4 sibling cousin My aunt's child is my . 5 uncle grandfather My mother's father is my .