You have to make a _____.Are you going to eat out or cook by yourself?

Look! Two ______ are playing basketball on the playground(操场).   

Jack sings better than ____ in his class. Which answer is wrong?

If you want to be healthier, you shouldn't do _____ in the classroom all the        time but do more _____ on the playground. 

— Do you want something to drink? — Yes.             , please.