看图片选择正确的句子。 (1) A. I have a pencil. B.I have 3 pencils. (2) A.I have a crayon. B.I have 3 crayons. (3) A.I have 2 rulers. B.I have 3 crayons. (4) A.I have a ruler. B.I have 4 erasers.
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