这是2020年的全国一卷的语法填空
Chinese researchers hope to use theinstruments onboard Chang'e-4 66 (find))(思路点拨:如前所述,看到动词之后需要确定谓语非谓语,此处为非谓语动词,进一步分析做目的状语,所以用不定式tofind) and study areas of the South Pole-Aitken basin. " This really excitesscientists,”Carle Pieters, a scientist atBrown University, says, " because it 67(mean) (思路点拨:考察谓语动词,- -般现在时主动结构,主语为第三人称单数,故填means。)
we have the chance to obtain information about how the moon 68__(construct) (思路点拨:考察谓语动词,一般现在时被动结构,主语为第三人称单数,故填is constructed。)
为什么是一般现在时啊,月球不是很早之前就已经建成了吗?