句型转换。
1. Maria has some friends here. (改为否定句)
____________________________.
2. The letter is from my pen pal. (对划线部分提问)
____________________________.
3. by, what, way ,he ,the, does, say, in ,letter, the (连词成句)
____________________________.
4. He lives in Brazil. (对划线部分提问)
____________________________.
5. What's this? It's a toy. (改为复数形式)
____________________________.
