Lesson 23 It's Christmas Morning!一、根据句意,用括号中单词的对应词的适当形式补全句子。1. My sister__________(close) the gift happily.2. I's a __________ (big) bird.3. Mr. Li is going to__________ (take) a Christmas tree for us.4. The star always goes on__________(bottom).5. He played football___...