There are some old cities in Turkey. Some of the cities are over 2,000 years old. No one lives in these
cities today, but people still 41 them. Why do tourists want to see them? Because the cities are under
the ground!
The cities had kitchens. They had meeting rooms. They had places to 42 cereal. They had tables.
They even had air tunnels or chimneys. The air tunnels made it 43 to breathe more than one hundred
feet under the ground. They kept fresh air flowing through the 44 .
The cities had locking stones. The stones could only be opened or closed 45 inside. The locking
stones were used to keep the people safe inside the cities.
【題組】43 (A) safe (B) hard (C) cruel (D) tight