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Yes, it is.
This is a market .
It isn’t a classroom .
Yes, it is.
Is this _____ ?
Is this _____ , too ?
No, it isn’t. It’s ___ .
Let’s listen and say
Is this a banana ?
Yes, it is.
Is this an orange ?
Yes, it is.
Is this an orange, too?
No, it isn’t. It’s a lemon .
This is a market .
It isn’t a classroom .
Let’s act
Let’s learn
Let’s write
Quick response
Is this a/an...?这是……吗？
肯定回答：Yes, it is. 是的，它是。
否定回答：No, it isn't. 不，它不是。
—Is this a lemon?
—No, it isn't.
—Is this an orange?
—Yes, it is.
Notes:
Guessing game
(猜猜猜)