1. 信件   letter   telephone   radio   postcard   Hint Half-n-half Clue   2. 电话   postcard   telephone   tape recorder   television   Half-n-half Clue   3. 录影   telefax, fax   video   telephone   postcard   Half-n-half Clue   4. 报纸   news   newspaper   postcard   computer   Half-n-half Clue   5. 收音机   advertisement   radio   printer   microphone   Half-n-half Clue   6. 广告   microphone   letter   advertisement   video   Half-n-half Clue   7. 新闻   radio   news   parcel   telefax, fax   Half-n-half Clue