1. There will be more rain in 100 years.(改为否定句)
   There _______ _______ more rain in 100 years.
2. He will go on a picnic in two days.(对划线部分提问)
    _______ _______ _______ he go on a picnic?
3. He'll work as a reporter when he is older.(改为同义句)
    He'll work as a reporter when he_______ _______.
4. I  finished my homework alone.(改为同义句)
    I  finished my homework _______ ________.
5. I  think there will be robots in everyone's  home.(改为一般疑问句)
    ________ ________ _______ there _______ ________robots in everyone's home?