仔细读对话，帮忙画上所缺物品。 1. A: How many pencils can you see? B: Twelve. 2. A: How many markers can you see? B: Sixteen. 3. A: How many pens can you see? B: Nineteen. 4. A: How many rulers can you see? B: Seventeen 5. A: How many erasers can you see? B: Eighteen.
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