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![am_is_are专项练习[1]](https://aibangong.cdn.bcebos.com/template/045790cca1c7aa00b52acb29/page_1.png?auth_key=1735341436-84218751-0-5b1c173eb9ecfae01d3f47eed95bf5e4)
am_is_are专项练习[1]
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一.用is, am 或are 填空
