Complete the following sentences as required (根据所给要求完成句子。每空格限填一词)
1. Peter can find his daughter at the door of the classroom. (改为否定句)
Peter ______ ______ his daughter at the door of the classroom.
2. Helen wants to buy the white house. (对划线部分提问)
______ ______ does Helen want to buy?
3. Ten students in our class take a bus to school every day. (保持句意基本不变)
Ten students in our class go to school ______ ______ everyday.
4. It took Maria two months to finish the work. (对划线部分提问)
______ ______ did it take Maria to finish the work?
5. It took me about ten hours to make this model plane. (保持句意基本不变)
I ______ about ten hours______ this model plane.