Unexpected things may happen every day but no one can tell when and where. People usually

Unexpected things may happen every day but no one can tell when and where. People usually get surprised or frightened by such things.
One day I 36 a taxi to go to a meeting. As it came near the corner, the taxi stopped suddenly.The 37       got out looking very puzzled(迷惑). A big 38  which had been following the taxi stopped, too. The taxi driver was now 39  at the corner looking up 40 the sky and the truck driver got out and 41  him. A number of cars behind them were 42  to stop as well and a large crowd of people had 43 at the corner.
The cause of all this 44  was a very strange noise. It 45  as if thousands and thousands of  46  were chirping（鸣叫）.The sound of so 47 birds toghter was quite surprising and many people looked 48 . The most extraordinary thing was that,except one or two  49 , there was not a bird in 50 . No one was able to know why — 51 two policemen arrived on the scene. They walked all around the area for a while and then went over near the railroad tracks beside a big board advertisement(广告)for a 52  . Since the noise seemed to be ing from around there, they climbed up and found that two loudspeakers had been  53 behind the advertisement.The bird noises were being broadcast to 54  attention to the film advertisement.
The cinema that made this advertisement was 55 to take the loudspeakers away, because they caused trouble and people were tired of them.
【小题1】A．ran B．droveC．tookD．rode【小题2】A．travellersB．passagersC．driverD．conductor【小题3】A．truckB．busC．carD．bike【小题4】A．ridingB．movingC．sittingD．standing【小题5】A．forB．afterC．overD．at【小题6】A．preventedB．joinedC．watchedD．left【小题7】A．toldB．orderedC．forcedD．driven【小题8】A．appearedB．gatheredC．aimedD．covered【小题9】A．accidentB．thingC．matterD．trouble【小题10】A．heardB．lookedC．feltD．sounded【小题11】A．animalsB．peopleC．birdsD．beasts【小题12】A．bigB．wildC．strangeD．many【小题13】A．disappointedB．frightenedC．wonderedD．worried【小题14】A．starsB．treesC．snakesD．sparrows【小题15】A．distanceB．snowC．sightD．silence【小题16】A．afterB．untilC．as D．since【小题17】A．shopB．filmC．factoryD．notice【小题18】A．hiddenB．keptC．brokenD．fixed【小题19】A．directB．payC．giveD．call【小题20】
.A．suggestedB．advisedC．orderedD．persuadedC