1.They told me that you were the best architect in this city.
->.I was told that you were the best architect in this city

2. people reported that the flowers were killed by frost.

->It was reported that the flowers were killed by frost

3.Some people inform me that the director is going to take a business trip to England.

->I am informed that the director is going to take a business trip to England 

4.people announced that the meeting was delayed until next week.

->It was announced that the meeting was delayed until next week

5.people discovered that this cotton was grown in Egypt.

->It was discovered that this cotton was grown in Egypt

6.They promise that the performance will start on time.

->It is promised that the performance will start on time.

7.People recommends that we should stay at the city center.

->It is recommended that we should stay at the city center

8.People believed that Alice would pass the driving test.

->It was believed that Alice would pass the driving test.