3. . "I live with my family in this city," the girl said.

- The girl said she lived with her family in that city.

4. It is a pity that I can't come to your birthday party.

=> I wish I could come to your birthday party.

5. I think it's necessary for Mary to take part in the competition.

=> I suggest Marry should take part in the competition.

6. My husband doesn't leave the car keys, so I can't pick him up at the station.

-> If my husband left the car keys, I could pick him up at the station.

7. "What will you do to help your mother?" they asked him.

=> They asked him what he would do to help his mother.

8. It is a pity that I can't come to your birthday party tonight.

- I wish I could come to your birthday party tonight.

9. Nobody can deny the benefits of the Internet.

=> The benefits of the Internet can't be denied

10. The house has been rebuilt. It was destroyed in the fire last year.

=> The house which was destroyed in the fire last year, has been rebuilt.

#moc

3. The girl said that she lived with her family in this city

4. I wish I could come to your birthday party

5. I suggested that Mary should take part in the competition

6. If my husband left car keys, I could pick him up in the station

7. They asked if he would do to help their mother

8. I wish I could come to your birthday party

9. The benefits of the internet can not denied