a single card

a single card a single card. a single 它与a card及single card有何区别? a single card single是一个的意思 a也是一个的意思不重复了吗 he did not write a single card. so he______后面怎么填? He decide not to write a single card 翻译的意思是不止写一张还是一张都不写 a single man 书 Not A Single i am a single Not A Single Day A SINGLE TEAR怎么样 in a single season