V. Rewrite the sentences in the passive.
1. They sell the gold on international markets.
The gold........on international markets.
a) is sold b) sells
2. I have invested my money in real estate.
My money ........ in real estate.
a) has been invested b) has invested
3. The employees are improving the situation.
The situation .........by the employees.
a) is improving b) is being improved
4. Henry Ford invented the assembly line.
The assembly line .......by Henry Ford.
a) is invented b) was invented
5. You can find the order form on the last page of the catalogue.
The order form....... on the last page of the catalogue.
a) can be found b) can found