1．You need to change your mind.(对画线部分提问)
      ___  ___ I need to___?
2. Sara couldn't catch his. words because he spoke too quickly.(对画线部分提问)
    ___  ___Sara ___his words?
3.I learned to write my own original sentences by using grammar.(对画线部分提问)
     ___  ___you ___to write your own original sentences?
4.I don't know how I should use commas.(改为同义句)
    I don't know ___  ___  ___commas.
5. Why don't you ask your teacher for help when you are in trouble?(改为同义句)
    ___  ___ ask your teacher for help when you are in trouble?

1. They have lived in Wenshang for ten months. (改为一般疑问句)
    _______ they _______ in Wenshang for ten months?
2. Why don't you ask your teacher for help? (改为同义句)
    _______ _______ ask your teacher for help?
3. The population of China is 1.3 billion (十亿). (对划线部分提问)
    _______ _______ is the population of China?.
4. She is a lucky girl. (用what改为感叹句)
    _______ _______ lucky girl she is!
5. 吉姆没去过动物园，我也没去过。(根据汉语补全句子)
    Jim hasn't been to the zoo, _______ _______ I.