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?