Answer:
The sentences can be written in indirect speech as follows:
a) Ronald said “I want to switch careers."
Ronald said that he wanted to switch careers.
b) Nora said “John is a good boss because he always cares about us."
Nora said that John is a good boss because he always cares about us.
c) Steve said “Joshua and I will go to London for a business meeting."
Steve said that he and Joshua will go to London for a business meeting.
d) Lana and Tom said “We can help with the arrangements for the holiday party."
Lana and Tom said that they can help with the arrangements for the holiday party.
An indirect speech can be described as sentences in which a person narrates what the other person has said. It might not be the actual words spoken by the person.
In direct speech, the actual words spoken by a person are expressed. The words spoken by the person are written in inverted commas.