ПОМОГИТЕ, ПОЖАЛУЙСТА!!!!!!Задайте общие вопросы и особые вопросы к подчеркнутым

ПОМОГИТЕ, ПОЖАЛУЙСТА!!!!!!Задайте общие вопросы и специальные вопросы к подчеркнутым словам.
1. The incandescent lamp was invented by Edison. 2. Railway track will be strengthened on this section of the mainline because it is planned to increase the volume of freight traffic here. 3. Road accidents are more frequent in rainy weather. 4. In some countries the locomotive pulls the train in one direction and pushes in the other. 5. Steel sleepers first appeared in Europe in 1868, mainly because of the shortage of durable wood in some countries. 6. In our Metro trains run every 8 minutes. 7. Civil engineering means the construction of roads, railways, bridges, tunnels, canals, etc.
Подчеркнутые слова:
1. Edison;
2.because it is planned to increase the volume of freight traffic here;
3. rainy;
4. In some countries;
5. in 1868;
6. every 8 minutes;
7. the construction of roads, railways, bridges, tunnels, canals, etc.