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—It's _______ schoolbag.
is, are, am, a, an
It's .
a .
—C-U-P.
A：, Frank!
B: Hi, Alice! How you?
A: I'm , . are you?
B: I'm OK. this in English?
A: a ruler.
B: it, please.
A: R-U-L-E-R.
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