tow pieces of musics?这种说法对吗?tow pieces of musics 还是 tow pieces of music 还是 tow piece of musics 还是 tow piece of music

tow pieces of musics?这种说法对吗?tow pieces of musics 还是 tow pieces of music 还是 tow piece of musics 还是 tow piece of music can l have tow pieces of cake 是否有pieces of musics这种用法?He could hum songs and difficult________.A、piece of musics B、pieces of musics C、piece of music那是否就代表着有pieces of musics呢?如果有,但music好象是不可数的,那在这个词组中又是 Li Yundi could hum songs and___when he was very young.A.piece of music B.pieces of music C.piece of musics D.pieces of musics 为什么选B please give me tow----.为什么用pieces of paper? the musician wrote three ____last year 1.pieces of music 2.pieces of musics 3.piece of musics4.piece of music the little boy can hum songs and several diffcult ____ 1.musics 2.music 3.pieces of musics4.pieces of music There are tow pieces of < >(news) today.< >里填适当形式的名词 ( )tow pieces of wood( ) 前面和后面应该填什么词? Tow pieces of advise 做主语 ,谓语动词用单还是复 I need tow ____ to write ____nowA papers ,in B pieces of paper ,onC paper ,on D pieces of paper ,in tow boxes of kinves some pieces of crash、pieces of three pieces of clothes Some pieces of music to move on.中的music需要用复数形式吗?原因Music or musics?Why?Relevant examples?Appreciate!Music作音乐讲时,的确是U.n　但此处几首歌曲的意思,应该是C.n吧.就像fish与fishes tow of us snow love tow of us snow love tow boxes of color pencils