按要求改写句子。

1. He left for New York yesterday.（改为一般疑问句）

    _____  he _____ for New York yesterday?

2. The rain stopped at about four yesterday afternoon.（同上）

     ______  the rain _____ at about four yesterday afternoon?

3.To eat healthy food is important for us.（改为同义句）

    ______ ______  important for us _____  eat healthy food.

4. It takes me twenty minutes to finish my homework.（同上）

    It _____  twenty minutes _____ my homework.

5. lt's cold and windy today.（对画线部分提问）

   ______ the weather _____ today?