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

I’11________photo taking after I retire. I think it is a good hobby.

Now more and more people have realized that drugs do great harm to people’s health and their families. — Quite true, so everyone should them.

Thank you very much.　-You are welcome. I was _____ glad to help.

Have a cup of coffee, please. —Thank you. How nice the coffee !