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books B. stand up C. sit down 4. Sam es from England, he is ___. A . Chinese B. American C. English 1. I 2. He / She / It 3. We / You / They am is are 4. 第三人稱 單數(shù) ,用 : is 如: Lily, Daming, the book, the dog, a boy, …… 復數(shù) ,用 : are 如: Lily and Lucy, The boys…. 復習 be動詞 be 動詞 ( am, is , are) 填空 ______ a student. ______ my friend. ______ students. 4. _______ you a new student ? 5. They _______ English. 6. Lily and Kate __________ from England. 7. ________ your brother a