—Look! There is a big river. Let’s swim in it!—No, I think it’s _________ dangerous.
Diaoyu Islands _____ China ever since ancient times.
--______ interesting the storybook is! --Yes. I have read it twice.
Each year quite a lot of food ______ around the world. It’s really time for us to do something.
Everyone except Tom and John ____ there when the meeting began.
—May I smoke here? —No, you ______. This is a no-smoking room.