将下列句子改为间接引语。
1. "Go to the front at once!" the officer said to the soldiers.
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2. The teacher said to his class, "Don't waste your time!"
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3. She said to her son, "Don't forget to turn off the light when you leave the room!"
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4. His father said to him, "Think before you do it!"
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5. The teacher said to his students, "Tell briefly in your own words how penicillin was discovered."
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6. The leader said to him, "Please write your report as soon as possible."
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7. He said to me, "Let me have a look at the book you bought."
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8. "Don't risk your lives, men!" the captain warned.
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9. She said to me, "Have lunch with us."
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10. "Be careful, and don't cut your finger," he said to me.
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1. The officer ordered the soldiers to go to the front at once.
2. The teacher told his class not to waste their time.
3. She told her son not to forget to turn off the light when he left the room.
4. His father told him to think before he did it.
5. The teacher told his students to tell briefly in their own words how penicillin had been discovered.
6. The leader told him to write his report as soon as possible.
7. He told me to let him have a look at the book I had bought.
8. The captain warned the men not to risk their lives.
9. She told me to have lunch with them.
10. He told me to be careful and not to cut my finger.