Change the forms of the following sentences. 句型转换。
1. This is a dish.（改为复数句）
2. Today is raining.（改为同义句）
3. I would like to drink some milk.（改为同义句）
4. Li Lei usually goes to school by bus.（对画线部分提问）
5. There are ten buses in the bus stop.（同上）
1. These are some dishes.
2. Today is rainy.
3. I want to drink some milk.
4. How does Li Lei usually go to school?
5. How many buses are there in the bus stop?