It’s kind _______ you to help me with my Math. Now I think it's easy _______ me to learn Math well.
—What’s this in English? —It’s an ________.
— Who is she? —She’s my mother’s ________, my aunt.
—This _______ my sister, Lucy. —_______ those your grandparents?
—Good morning! My name _______ Jack. —Good morning! I _______ Gina.
你在购买衣服时,常见到________表示“中号”。