-To achieve a bright future, we should ____ study hard _____ keep in good health.-I agree with you.
— When ________ America __________ by Columbus? — In 1492.
Don't go to crowded places, _______ you may have the flu easily.
— ________ you ________ on the yellow dress? — Yes. It looked very nice on me.
— Who's ________ girl in yellow? —She is Judy. And she plays ________ chess quite well.
We have skirts _____ purple _____$ 30.