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After six hours of heavy rain ,the river( ) .A.rose two foots and half B.rose two and a half feet为什么选B呢?

题目详情
After six hours of heavy rain ,the river( ) .A.rose two foots and half B.rose two and a half feet
为什么选B呢?
▼优质解答
答案和解析
B
1.5 one and a half
2.5 英尺 two and a half feet
或:two feet and a half
half前面的a必须要有的