精选优质文档-倾情为你奉上unit4Understanding ideasClick For A Friend?1. How would you feel if moving to a new town meant losing track of your friends? What if the only way of getting news from far away friends was writing letters that took ages to be delivered? This was how things worked not very long ago. Thanks to advances in technology, how we make friends and communicate with them has changed significantly. 2. Nowadays we can move around the world and still stay in touch with the people t
