many thousand和many thousands of Eg:Many ____ trees should be planted on the mountains.A.thousand B.thousand of C.thousands D.thousands of 为什么答案要选A,而不是选D?

问题描述:

many thousand和many thousands of
Eg:Many ____ trees should be planted on the mountains.
A.thousand B.thousand of C.thousands D.thousands of
为什么答案要选A,而不是选D?

如果没有Many倒是可以选D了.thousands of...意思是几千,是一个大约的数目.句子里面只有做主语的名词需要区别单复数(谓语动词根据主语的单复数变形).在这个句子中主语是tree,已经改写成trees是复数形式了,前面修饰...