There are______ living things on the earth. We must value our home—the earth.A. millions B. million of C. millions of
I don’t think skiing is so __________as skating.
. —He must be a true friend, isn’t he? —Of course he is. He seldom ____________ a bad word about others.
I believe __________, because he is ___ honest man.
I have _____________ to tell you.
---Thank you for help. ---.