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.' _________________________________________________________