70. Oxford and Grenoble are both m_________-sized towns of between 100,000 and 200,000 inhabitants.

69. What c________ the terrible fire? It was a burning cigarette end.

68. A tornado is a r__________ column of air from a thunderstorm to the ground.

67. Considering size and population, how big is the European Union c__________ with China?

66. Between Italy and France, there is a mountain r________ called the Alps.