问题描述：
The red shoes cost ____.A.one and a half pou
The red shoes cost ____.
A.one and a half pound
B.one pound and a half.正确答案是B,为什么,为什么不选A
The red shoes cost ____.
A.one and a half pound
B.one pound and a half.正确答案是B,为什么,为什么不选A
问题解答：
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