题目内容
【题目】Mobile phones are very popular now and they are ________ than before. ( )
A. cheapB. cheaperC. cheapestD. the cheapest
【答案】B
【解析】
略
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题目内容
【题目】Mobile phones are very popular now and they are ________ than before. ( )
A. cheapB. cheaperC. cheapestD. the cheapest
【答案】B
【解析】
略