Questions 7 to 10 are based on the
following conversation. At the end of the conversation, you will be given 20
seconds to answer the questions. Now, listen to the
conversation.
What can we learn from the conversation
A．Charles bought a photocopier because all sorts of people need it. B．Charles bought a photocopier by accident. C．There was no place nearby to provide the photocopy service. D．Few people send fax messages abroad.