最佳答案：f占上中下三格，o、u、r占中格，four，意思是四，例如：1.It is estimated the project will last four years.据估计，这项工程将持续四年。2.The
f占上中下三格，o、u、r占中格，four，意思是四，例如：
1.It is estimated the project will last four years.据估计，这项工程将持续四年。
2.The child disappeared from his home some time after four.这孩子四点多的时候就离家不见了。
