TEST 20
1. Прочитайте текст та оберіть правильну відповідь
During a civil defence exercise in a small town in Canada most of the inhabitants were asked to take part in the exercise during which they had to pretend that their city had been bombed. Thousands of people went into special air-raid shelters. Doctors and nurses remained above ground. The police did not have much to do because the citizens took the exercise seriously. A great many people had volunteered to act as casualties.