把下列直接引语变为间接引语或把间接引语变为直接引语。 1. The teacher told Tom to be careful with his pronunciation. 　　
_________________________________________________________ 　　
2. He asked us, "Where are you going next week?"　　
_________________________________________________________ 　　
3. The teacher said, "We worked here 20 years ago." 　　
_________________________________________________________ 　　
4. My uncle said, "I sowed my carrot seed yesterday."　　
_________________________________________________________ 　　
5. He said that he would go there that night. 　　
_________________________________________________________ 　　
6. His mother said to him, "Don"t be late for school." 　　
_________________________________________________________