1 what I was doing
2 if I knew Bill
3 Mary when the next train was
4 how he went to the airport
5 where she learned English
6 what I had done the previous day
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1. lan asked me what I was doing
2. he asked me if I knew Bill
3. He asked Mary when the next train was
4. his friend asked him how he went to the airport
5. she asked lan where she learned english
6. jenny asked me what I had done the previous day