二年级一班有5组同学，平均每组有5个，“六一”节有21人参加合唱队。没参加合唱队的有多少人?。
The First Class of Grade Two has 5groups of students, each group 5students. 21students participated in Chorus on International Children's Day. How many non-participants are there?
您好！正如我之前所提过了，我们二年级一班的同学正在学习第一单元的一篇文章，名为《你的什么是新的？
As previously mentioned, the Grade 2.1 classes are studying unit 1 called "What's New with You?"
您好！正如我之前所提过了，我们二年级一班的同学正在学习第一单元的一篇文章，名为《你的什么是新的？
As previously mentioned, the Grade 2.1 classes are studying unit 1 called "What's New with You?"
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