题目内容：

    There are two kinds of music in the world—one is written down and the other is not. Many people make their living _________ writing music. They write songs for pop stars and music for films and TV plays. They usually write exact instructions on ________ the music is played.

Folk music has been passed down from one generation (世代, 一代) to another. ________ it was never written down. People learnt the songs from their families, relatives, neighbors and friends in the same village. These songs were ________ country life, the seasons, animals and plants, and about love and ________ in people's lives.

Early performers of music were popular and respected. They ________ learn hundreds of songs by ________. On festivals they used to act and sing to praise heroes ________ lived long ago. This was at a time when there was no radio, TV, ________ cinema. Many of the country people could ________ read nor write. In this way, stories were passed on from one person to another. This continues even today.

1.A.by B.with C.in D.to

2.A.why B.when C.what D.how

3.A.In that case B.At first C.In the end D.In time

4.A.about B.so C.for D.into

5.A.masters B.dialogs C.cases D.sadness

6.A.were used to B.didn't use to C.used to D.usedn't to

7.A.head B.heart C.eyes D.mouth

8.A.who B.whom C.when D.which

9.A.but B.as C.and D.or

10.A.both B.either C.neither D.all