We should choose a healthy life style, a low carbon(低碳) life.
Our teachers often tell us _______ the net bar.
—Must I take the medicine every day? —No, you _______.
He eats _______ food, so he is _______ fat.
—How are you feeling today? —________ I think I can go to the picnic with you tomorrow.
We should eat _______ fruit and vegetables, but _______ meat. It is good for our health.