Answer the questions

The girl spared no efforts to help her mother. ………………………………………………… 2 Do you export rice to India? ……………………………………………………………………………
. 3 You must pay special attention to him …………………………………………………………………
4 How many houses are you going to pain?...............................................................................................
5. Many people in the city believe that he is an unhappy person. ……………………………………...
6. The first book I bought was very expensive……………………………………………………………
7. What did they pay you for helping her…………………. Chuyển cho em sang bị động ạ