Questions 16 to 18 are based on the passage you have just heard.

A．The university provides two types of accommodation.
B．Students must apply early since the places are limited.
C．A student may choose from university-owned or private accommodation.
D．Most students prefer self-catering accommodation.

A．The relationship of purchases to time spent in shopping.
B．The length of time required for drugstore shopping.
C．The increases in the size and stock of drugstores.
D．The purchase of clothing from department stores.