fifty percent of the money＿a.have been cost b.have been spentc.has beenspentd.has spent

分类: 作业答案 • 2022-06-23 21:36:36

问题描述：

fifty percent of the money＿
a.have been cost
b.have been spent
c.has beenspent
d.has spent

答

c.has beenspent