A. when          
B. until            
C. since        
D. before

A. where
B. when
C. in which
D. what

下面短文中有10處語言錯誤。請在有錯誤的地方增加、刪除或修改某個單詞。
增加：在缺詞處加一個漏字符號(^)，并在其下面寫上該加的詞。
刪除：把多余的詞用斜線(＼)劃掉。
修改：在錯的詞下劃一橫線，并在該詞下面寫上修改后的詞。
注意：1.每處錯誤及其修改均僅限一詞；
            2.只允許修改l0處，多者(從第ll處起)不計分。

     I like music very much, pop songs particularly. Every evening then I am doing homework and at
weekends when I at home, I always play some of my favorite songs on my tape recorder. The familiar
patterns of notes attracts me into the colourfully world of music. Now and then I stopped to follow the
songs. Sometimes, my mother comes in, asking me to fix my attention to my homework. She does not
like the pop music. Like most grown-ups, she enjoys folk songs, because the peaceful music reminds
her of their beautiful life when she was young. It is a truth which people of different age understand music
differently and enjoy different kinds of music.
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A. when; as     
B. how; as      
C. how; when
D. how; while