We should bear in mind that social development and balance of nature should go  in         .  

 What impressed me most about the movie were the _________filmed in New York.

—Sue wants to go to different places, but she doesn’t know the____.—A map will help, I think.

This chemical works _____.

—Believe it or not, last month in America I came across the girl whose photo was in the drift bottle got three years ago .   —Really？That’s the most surprising          I’ve ever heard of！