A very useful bagImagine you are walking to school listening to music on your MP3 player. All of asudden, it stops working and you 1. _______that the batteries have run out. Wouldn’t itbe wonderful if you could simply 2. ______the batteries wherever you are? This might bepossible in a few years’ 3._____as scientists are now working on a bag that makeelectricity. They say that all someone needs to do is put the bag their back and startwalking. The 4.______ of the body makes electricity in a special part of the bag. Thisnew 5._____ sounds like a brilliant idea, doesn’t it? Scientists developed the “electricbackpack” in order to help soldiers, who often carry around with them torches, radios andother equipment. All these things 6_______ on batteries and at the moment, the soldiers7._____ on these batteries to 8_______ the power this equipment needs. With the“electric backpack”, the soldiers won’t need to 9.______ extra batteries around withthem. Rescue workers and mountain climbers will also find the bag 10._______, as willstudents who don’t want their MP3 players to run out by chance on their way to schoo
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