第1个回答 2007-04-02
please speak and write standard mandarin本回答被网友采纳
第2个回答 2007-04-02
Please speak standard mandarin;
Please write standard Chinese characters.
第3个回答 2007-04-15
please speak Mandarin!
第4个回答 2007-04-02
Please speak common speech, please write a norm word