in China ,some radio stations use hot lines,IT isused for

In China,some radio stations use hotlines.It's used for____the listeners to take part in yhe talk shows.
That's a good ______.Yet,the fact is some people do nothing but break the whole program.Some people know little about the topic under_____.Sometimes they do not even what the host is talking about.So the host has to _____ the caller what the shoe is about.Usually the caller will_____ a few questions which express his hope and show his ignorance.Then the host has to answer and expain—how silly this is!It _____ a lot of time.
It seems that some people phone the hotlines in fan.They_____ want the listeners to hear them.They don't care what the topic is and_____they themselves are interested in the topic or not.Silly they apper to be.
It's_____ for radio stations to improve the hotline programs.If a caller doesn't know what is going_____,the operator should not let the caller take part in it.
( )1.A.stopping B.testing C.frightening D.encouraging
( )2.A.lesson B.idea C.medicine D.drink
( )3.A.discussion B.meeting C.party D.quarrel
( )4.A.make B.teach C.tell D.feel
( )5.A.ask B.solve C.write D.read
( )6.A.saves B.wastes C.sees D.brings
( )7.A.already B.hardly C.just D.never
( )8.A.when B.what C.where D.whether
( )9.A.impossible B.interesting C.necessry D.funny
( )10.A.on B.off C.away D.about

1.D
2.B
3.A
4.C
5.A
6.B
7.C
8.D
9.C
10.A