After six hours of heavy rain ,the river( ) .A.rose two foots and_英语解答

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?

人气：215 ℃　时间：2019-11-04 05:54:39

解答

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