There are fewer and fewer trees.More and more people are always cutting down every year.There are fewer and fewer trees.More and more people are always cutting down______every year.A.million B.millions C.million of D.millions of

问题描述:

There are fewer and fewer trees.More and more people are always cutting down every year.
There are fewer and fewer trees.More and more people are always cutting down______every year.
A.million B.millions C.million of D.millions of

D