Section B
　　一、1.pronounces 2.slowly 3.spoken 4.mistake 5.solution 6.impressed 7.challenges
　　二、1.slowly 2.to use 3.spoken 4.pronunciation 5.writing 6.worried 7.right
　　三、1.First of all 2.Later on 3.laugh at 4.take lots of grammar notes 5.couldn't pronounce 6.already sung 7.special suggestions 8.wactching;boring
　　四、1.don't;either 2.to study 3.spent;on 4.too;to 5.How does
　　五、1.best 2.by 3.watching 4.voices 5.keeping 6.studied 7.conversations 8.improves 9.pronunciation 10.dictionary
　Self Check and Reading
　　一、1~5 CDCBD 6~10 BADCC
　　二、1.wactching 2.playing 3.making 4.singing 5.developing 6.would come 7.read 8.truly 9.speaking 10.(to) carry
　　三、1.Where to buy 2.pronunciation right 3.How often 4.How long 5.instead of 6.What was
　　四、1.worrying about 2.regard their pets as 3.goes by 4.try our best to 5.with the help of 6.look up 7.make up
　　五、1~5 ABCCD 6~10 ACBDC
　　六、1~5 BCADD