вставить правильное одно слово The civil engineer must ... many factors. a) adopt b) ignore c) work out d) consider 5. The clay and ... react chemically. a) sawdust b) limestone c) cement d) sand 6. The liquid mass of glass does not become ... at once. a) hard b) viscous c) hot d) clear

Vitek3613    3   14.12.2021 23:20    0