题目内容
—Is this your _____?
—I don't know.
—_____ is it?
—It is green.
—I don't know.
—_____ is it?
—It is green.
[ ]
A. a bike, what color
B. a bike, what's color
C. bike, what color
D. bike, what's color
B. a bike, what's color
C. bike, what color
D. bike, what's color
C
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