同义句转换。

1. The football match was put off. It rained.

    The football match was put off _______  _______ the rain.

2. I bought the bike ten years ago.

    I _______  _______ the bike _______ ten years ago.

3. Our school has changed greatly in the past several years.

    There _______  _______ great changes in the past several years.

4. The girl is too young to go to school.

    The girl is _______ young _______ she can't go to school.

5. When the train arrived, we got on it at once.

    We got on the train ________  ________  ________ it arrived.