( )7.Every year,we plant ___________ trees.A.five millions of B.five millions C.million of D.
问题描述：
( )7.Every year,we plant ___________ trees.A.five millions of B.five millions C.million of D.
( )7.Every year,we plant ___________ trees.
A.five millions of B.five millions
C.million of D.millions of
答
以上三个都是错的()7. Every year, we plant ___________ trees. A. five millions ofB. five millions C. million of D. millions ofD为什么？如果有具体数字，如A，则要表达成 five million of ，即那个million要原形。。如果没有具体数字，就millions of ，即million改成复数millions