81． This pen is cheaper than the other two． This pen is of the three．——青夏教育精英家教网—

摘要：81． This pen is cheaper than the other two． This pen is of the three．

网址：http://m.1010jiajiao.com/timu_id_1387127[举报]

句型转换

This pen is cheaper than the other two．(同义句转换)

This pen is ________　________ of the three．

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