按要求改写句子。

1. The door is too small. The elephant can't go through it. (同义句)

   The door is not _____________ the elephant to go through. (同义句)

2. You're supposed to pay the bill by Friday. (同义句)

    You're ____________ pay the bill _____________ Friday.

3. Surfing the internet can provide us with the latest news. (同义句)

    Surfing the internet can _____________ the latest news ____________ us.

4. It took some students too much time to play computer games. (同义句)

    Some students ____________ too much time _____________ computer games.

5. We bought her some new books. (改为被动语态)

    Some new books ____________ her by us.