Are these sentences true or false?

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
   False      True   
1. An importer exports goods to sell.
2. An estate agent sells holidays.
3. A carpenter makes wooden objects.
4. A civil servant works for a company.
5. A priest conducts religious ceremonies.
6. A mechanic can repair vehicles.
7. An electrician fixes electrical wiring.
8. A plumber can fix your central heating.