We all know that dinosaurs lived on the Earth more than ______ years ago.A.sixty millionB.millions o

题目简介

We all know that dinosaurs lived on the Earth more than ______ years ago.A.sixty millionB.millions o

题目详情

We all know that dinosaurs lived on the Earth more than ______ years ago.
A.sixty millionB.millions ofC.sixty million ofD.million of
题型:单选题难度:偏易来源:不详

答案

A

试题分析:句意:我们都知道恐龙在地球上生存在6千万年前。表示确切数字,million不用复数;表示概数,million必须用复数,并且和介词of连用,所以选A。

更多内容推荐