Complete the following sentences by choosing the correct ending.
1. Tornadoes consist of
a) large clouds and terrible sounds;
b) very strong winds.
2. Bright flashes of lightning
a) are seen from the distance;
b) blow down everything on their way.
3. Tornadoes are dangerous because
a) they occur in spring;
b) they destroy houses and pick up everything they can.
СРОЧНО!!! даю максимальное количество баллов!