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1 He asked who had brought that book.
2 He asked if he could see Mr Brown
3 Dick advised/said to forget about it.
4 The teacher told not to translate the text into Russian.
5 My friend said that he would wait for me there.
6 The teacher said that he/she wanted to have a talk with me. 

1. He asked who had brought that book.
2. He asked if he could see Mr Brown.
3. Dick said to forget about it.
4. The teacher told not to translare the text into Russian.
5. My friend said that he would wait for me there.
6. The teacher said that he wanted to have a talk with me.