I remember ______ the math problem ______.But I can’t remember it’s answer.
Tom often mentions_______his good friends.But his friends avoid _______him .
The desks are made_______wood. Wine(酒) is made____grapes.
—There is a bridge ______ the river, and a plane is flying _____ the clouds in the picture.
It is_______that______ the students in my class is 60 and ______ students like sports.
We’re happy that our country has developed ______ these years than before.