英语选择题The idea is that the nation ______ an unmanned spacecraft to explore the pla

题目

英语选择题The idea is that the nation ______ an unmanned spacecraft to explore the pla
The idea is that the nation ______ an unmanned spacecraft to explore the planet first.
答案是send ,为什么要用虚拟语气?

答案

在suggestion,proposal,order,plan,idea,advice,decision等需要有内涵的名词后面的表语从句、同位语从句中,要使用虚拟语气.其谓语动词应用：should＋原形动词.另外连接从句的that不能省略.
　　例：My suggestion is that we should go there atonce.