17.
Q: What does the woman say about the part needed for the photocopying machine?
A) They can't fit into the machine.
B) They have not been delivered yet.
C) They were sent to the wrong address.
D) They were found to be of the wrong type.

18.
Q: What does the man imply?
A) The food served in the cafeteria usually lacks variety.
B) The cafeteria sometimes provides rare food for the students.
C) The students find the service in the cafeteria satisfactory.
D) The cafeteria tries hard to cater to the students' needs.