用所给词的适当形式填空 (共5题，每题1分，计5分)
class
twin
China
America
teacher
Hello, boys and girls, this is Lily. She’s an 61 girl. She’s my friend. She’s 11. She is in 62 2, Grade 1. She is Number 5. And this is my friend, too. Lily and Lucy are 63 sisters. They are in the same class. Miss Wang is their 64 teacher. Miss Wang and Miss Wu are good 65 in our school.American
网友回答
(答案→)American
解析：
【小题1】此题考查形容词，American是以元音音素开头的单词，冠词用an。
【小题2】此题考查名词，班级的第一字母要大写。Class 2
【小题3】此题考查名词，twin sister表示孪生姐妹
【小题4】此题考查形容词，Chinese teacher表示中文老师。
【小题5】此题考查名词，根据语境是复数形式。