Choose the word (a, b, c or d) that best fits each of the blank spaces. (Question 36) ___ sare storms with very strong turning winds and dark clouds. These winds are perhaps the strongest on earth. They reach speeds of 300 miles per hour. The dark clouds are (Question 37) ____ like a funnel-wide at the top and narrow at the bottom. The winds are strongest in the center of the funnel. Tornadoes are especially common in the United States, but only in certain parts. They occur mainly in the (Question 38) ____ states. A hot afternoon in the spring is the most likely time for a tornado. Clouds become dark. There is thunder, lightning, and rain. A cloud forms a (Question 39)____ and begins to twist. The funnel moves faster and faster. The faster the winds, the (Question 40)_____ the noise. Tornadoes always move in a northeastern direction. They never last longer than eight hours. A tornado’s path is narrow, but within that narrow path, a tornado can destroy everything. It can smash buildings and rip up trees. Tornadoes can kill people (Question 41)____ well. The worst tornado (Question 42) ___ through the states of Missouri, Illinois, and Indiana in 1925, (Question 43) ___ 689 people. Modern weather equipment now makes it possible to warn people (Question 44) ___ tornadoes. People have a much better chance of protecting themselves. But nothing can stop tornadoes from (Question 45)___ everything in their path. Question 36:
