Complete the sentences with the correct noun firm of the words given.

1. This company is the biggest …… in our region. (employ)

2. She is a business student and joined our team as a management …… (train)

3. Albert Einstein was the leading …….. of his time. (physics)

4. We need to call in an ….. to sort out the wiring in this house. (electric)

5. A lot of traditional ….. decided to change to organic farming. (farm)