对答如流
（1）What’s in the classroom?
（2）Mike, we have a new classroom.
（3）How many story-books do you have?
（4）10+20=?
（5）What’s his name?
对答如流
（1）What’s in the classroom?
（2）Mike, we have a new classroom.
（3）How many story-books do you have?
（4）10+20=?
（5）What’s his name?
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