1. He has already finished his homework. (改为否定句)
    He              finished his homework             .
2. Miss Liu has worked here since 1995. (划线部分提问)
                             has Miss Liu worked here?
3. I borrowed this book two weeks ago. (改为同义句)
    I                           this book              two weeks.
4. His father went to America in 1998 and 2002. (改为同义句)
    His father                           to America             .
5. Millions of people enjoy Disneyland. (改为被动语态)
    Disneyland                                        millions of people.
6. The population of China has 1.3 billion. (划线部分提问)
                 the population of China?
7. Unless you work hard, you won't pass the exam. (改为同义句) 
                 hard,              you won't pass the exam.
8. Because it rained yesterday, we had to stay at home. (改为同义句) 
                              the rain, we had to stay at home yesterday.
9. The teacher said to us, "Don't laugh at the blind." (改为间接引语)
    The teacher             us             to laugh at the blind.

1. He has already finished his homework. (改否定句) 
    He ______ finished his homework _______.
2. The U.S.A had about 296 million people in 2005. (对划线部分提问)
    ______ the ______ of the U.S.A in 2005?
3. We must obey the school rules. (改为被动语态) 
    The school rules must ______  ______ by us.
4. I bought the pen six days ago. (同义句)
    ______  ______ six days since I bought the pen.
5. 我叔叔有时到上海出差.
    Sometimes my uncle go to Shanghai ______  ______.