this piece of music _is__difficult__to__piay_(对划线部分提问）=_____ ______ this piece of music?

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• 初二英语按要求改写句子1.This piece of music is dramatic（对划线部分提问dramatic）2.My brother bought me a pen （改为同一句）My borther （ ）a pen （ ） （ ）.3.The woman likes classical music （对划线部分提问classica）4.His father put a book on the chair just now（改为反意疑问句）5.You like this song..He likes this song,too （改为同义句）（）（）you（）（） he likes this song.
• I often listen to music on Saturdays(对划线部分提问)划线的是listen to music
• He never listens to music.（对划线部分提问） ____ ____ ____ He listen to music
• the baby is listening the music 划线部分提问 “the baby”提问
• Miss Wang is our music teacher对划线部分提问
• （loud music） makes me stressed out对括号部分提问
• He likes listening to music.(对画线部分提问) (He 是画线部分
• 对画线部分提问：I like pop music best?----
• 七年级下册英语练习题Mary can speak English.(改为一般疑问句,做否定回答)My father can play the guiter very well.(改为否定句)i want to join the [music] club(对划线部分提问)Linda likes music(改为否定句)
• i like music that i can dance to对划线部分提问划that I can dance to
• --How do you like this piece of music?--It's well worth ______.
• 为什么硫酸的质子平衡式是[H+]=[SO4 2-]+[OH-]+c(H2SO4)我知道H2SO4=H+ +HSO4-第一级是完全电离,第二级[HSO4-]=[SO42-]+[H+]是部分电离,溶液中主要存在形式为HSO4-与H2O,如果等式左边写得到H+的物质,就应该只有[H+],右边写失去H+的物质就应该是[SO42-]+[OH-],为什么还有一个c(H2SO4)?