I proposed that their offer could be accep_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

I proposed that their offer could be accepteD．

答案

参考答案：could be→(should) be

名词解释

华盛顿会议

判断题

轨道铺设时，轨道中心线的标桩每20m标一个。