You are driving happily along in the tank, taking care to stop at red lights and to indicate whenever you make a turn as all good soldiers do when in the midst of battle, when suddenly you are aware that your feet are getting wet. Donald has been using your toothbrush again and this time it seems he's left the tap on too. Naughty Donald! You sit down to read War and Peace, but before you can finish the water level has risen over your head. If you don't do something soon, you'll drown! Will you: