完成句子

1. I knew nothing about it before you told me.

    I __________ know anything about it __________ you told me.

2. Unit Two is more difficult than any other unit in this book.

    Unit Two is __________ __________ difficult in this book.

3. My mum asked me not to swim in the sea.

    My mum asked me to __________ __________ in the sea.

4. There is no life on the earth without water.

    There is no life on the earth __________ there is __________water.

5. We are planning to go to Zhanjiang soon.

    We are __________ __________ Zhanjiang soon.