It is reported that 40 percent of the la

问题选择题

It is reported that 40 percent of the land in Brazil________covered with trees.

A．is

B．was

C．are

D．were

答案

答案：A

答案　A　[考查的是数量词作主语时的主谓一致。句意：据报道，巴西百分之四十的土地都有森林覆盖。40 percent修饰the land，the land表示“陆地”时是不可数名词，谓语必须用单数；又因为主句谓语动词是一般现在时，因此选A。]