Question

Dr. Kate: Radio _小题1:  (change) a lot since we were young. It used _ 小题2: be the major source of' fun for the family.
Bob:      Nowadays when you turn on the radio, you either hear music, a talk show小题3: news.
Dr. Kate: 小题4:  (Fortunate), you can choose the kind of music you want to hear.
Bob:      Yes, and there is a lot of points of view when you listen to talk shows. I usually enjoy  小题5:  (listen) to them. I particularly like it w-hen a caller disagrees with the talk show host. I like to hear how he will defend his ideas.
Dr. Kate: Some talk show hosts are very rude to those  小题6: have opposing ideas. I really find that terrible.
Bob:     It seems that people only listen to the radi0  小题7:  they are driving in their car ，
Dr. Kate: That is true for me. but I know that my husband listens to it while he is working  小题8: home.
Bob:   Now that f think about it, I realize that a lot of stores have the radi0  小题9:  (play).
Dr. Kate: It's still a usefully and pleasant form of  小题10: (communicate).

Answer 1

小题1:has changed    
小题2:to  
小题3:or  
小题4: Fortunately       
小题5:listening
小题6:who/that   
小题7:while         
小题8:at   
小题9:playing 
小题10:communication

试题分析：
小题1:根据since we were young.可知这里用现在完成时。
小题2:used to do sth是固定用法，意思是过去常常做某事 。
小题3:句意：现在当你打开收音机，你或者听音乐、脱口秀或者新闻。所以填or。
小题4:位于句首，有逗号隔开，修饰整个句子，故用副词形式。
小题5:enjoy doing是固定用法，意思是喜欢做某事。
小题6:这里含有一个定语从句，关系词在从句中作主语，指人，故用who/that。
小题7:. 句意：看起来人们只在开车的时候，才会听收音机。故用while。
小题8:. “在家”应该说at home。
小题9:have sth. doing是固定用法，意思是使某物一直处于某种状态。
小题10:of之后用名词形式，所以填communication。