1. We have been married for over ten years.
2. It took him half an hour to write the letter.
3. He asked where he could buy a phone card in that city.

38 . It's over ten years since we got married. We have grown old together.

39 . He wrote the letter in half an hour. It took him half an hour to write the letter.

40 . "Where can I buy a phone card in this city?", he asked. He asked where he could buy a phone card in that city.