he could hum songs when he was eight years old.这句话为什么要用could,而不是can那不就可以理解为他以前会哼歌,

He could hum songs when he was five. he could hum songs and difficult pieces of music he could hum songs and diffcult pieces of music . When he was a small boy,he could hum songs and difficuld pieces of music.翻译 he could hum songs and difficult pieces of music!翻译这句话! he could hum songs when he was eight years old.这句话为什么要用could,而不是can那不就可以理解为他以前会哼歌, While ____ a small boy ,he could hum songs .A.already B.until C.yetD.still为什么（不是其他答案） he could hum songs when he was 4 years old 句型转换he ( )( )( ) hum songs at the age of four.2 don't worry i'll come as soon as i can don't be ( ) ,i'll come as soon as （） ( ) 13.While a little baby,Tom could ________ songs.A.sing B.sings C.hum D.hums为什么不能用hum? 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 英语翻译Li Yundi ,a well-known Chinese pianist ,always loved music.He was born in Chongqing .When he was a small boy ,he could hum songs and difficult pieces of music .He began to learn the accordion at the age of four ,and he starded to learn th 英语翻译Li Yuan,a well Known Chinese pianist,always loved music,He was born in 1982 in Chongqing.When he was a small boy,he could hum songs and difficult pieces of music.He began to learn the accordion at the age of four,and he started to learn t When prize was songs took Chinese Poland music first pianoLi Yundi,the well-known Chinese pianist,always loued misc.He(1)____born in 1982 in Chongqing.(2)____he was a small boy,he could hum(3)____and different pieces of(4)____.He began to learn the(5 While Midori was a girl,she could hum songs and difficult _______music.A.a piece ofB.pieceC.pieces ofD.the piece of主要是原因啊 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 英语改错和同义句1.Tom and Jack could be able to hum chinese songs at the age of five.有一处错误._______2.Few people will take the bus.改为同义句 people will _____ _______ _______ ________. 根据首字母填空 1.When he was still a small child,he could h( ) songs.2.Such cold weather is quiet u( ) in the south of China in spring.3.John w( ) the prize in the speech competition. When he was four years old,he___sing several English songs?A.could B.can C.may