Many scientists say that it’s important for us to have ______ food in our diet.

I’m sorry you didn’t have fun ______ your day off.[ ]

In my opinion,to worry about the present situation between China and Japan. Everything will be all right.

If he does you a favour, you should do him a favour. —- I can’t agree more. ____.

. — Have you heard that the pop star was charged with taking illegal drugs? — It’s difficult for a fun like me to accept that. _________.