Grammar Warm-up – Part 92

.Choose the best words

Tornadoes occur / are occurring in most areas of the world. However, the plains of the United States have / are having the most. (Plains are large areas of flat land with few trees.) Tornado Alley, a frequent area for tornadoes, stretches / is stretching from Texas to North Dakota. Because tornadoes form / are forming over flat areas of land, they are not / do not so common in the mountains. Cold air meets / is meeting warm air, usually in a thunderstorm. The winds make / are making a spiral or funnel cloud that sometimes reaches 320 miles per hour. They pick up / are picking up cars, trees, and houses. Sometimes this debris flies / is flying for miles. Strong tornadoes cause/ are causing a lot of damage. Surprisingly, the funnel cloud doesn’t last / isn’t lasting long, usually less than ten minutes. Right now a tornado forms / is forming over the plains. People seek / are seeking shelter in underground areas such as basements. Several storm chasers get / are getting ready to follow the tornado and collect data. They listen / are listening to weather radios for storm updates.Are you /Do you familiar with tornadoes? Are you / Do you have tornadoes in your area

:Answer

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