–______ keep water running when you are brushing your teeth or washing your hands, Jack.– OK. I know we must save every drop(滴) of water.A. Why not B. Please C. Don’t
—What’s the matter with you, Jim? —_______
Eating more vegetables and fruit will keep you ____.
We won’t go back home ____ we find the owner of the handbag.
Next Friday we ____ our first field trip.
Thank you for ____ me to the party.