Ответ:

1. Is there some milk in the crystal glass? - No, there isn't any milk in the crystal glass. There's some juice in the crystal glass.
2. Are there some sausages on the round plate? -There aren't any sausages on the round plate. There are some sandwiches on the round plate.
3. -Is there a glass on the wooden table? - No, there isn't any glass on the wooden table. There's a cup on the wooden table.