When the war broke out children were evacuated from the city to the countryside. Schools (1) ……………. by bombs, so classes were held everywhere, even warehouses and local houses. The first lesson children were taught was to dig tunnels and bunkers made (2) …………. soil and straw. To ensure safety, schools arranged their classes in multiple locations, each of (3) ………….. had a trench to help people avoid the bombs. Teachers and students (4) …………….. dug embankments around their classrooms. Children were encouraged to fight for the country by joining in a strategy named "Small Plan", which (5) ……………… planting trees, raising animals or collecting waste paper. 1. A. destroy B. destroyed C. were destroyed D. destroying 2. A. from B. of C. with D. in 3. A. them B. it C. that D. which 4. A. also B. still C. seldom D. yet 5. A. showed B. involved C. protected D. deserved