Questions 19-25 refer to the following passage.
        The West Indies are a long string of islands separating the Gulf of Mexico from the CaribbeanSea. It is thought that there was onc ce a long wall of volcanoes in the area, but large chunks of it sankinto the ocean millions of years ago. The West Indies are __19__ is left of this ancient mountain range.
 Since the West Indies are located near the Tropic of Cancer and in the trade wind belt, theirclimate is much like__20.__ of Hawaii. More specifically, temperatures stay mostly in the 70s and 80s(between 21℃ and 32° C) and the windward slopes are much rainier than the leeward slopes,_21.__ most of the rain falling in the summer months. The West Indies are often hit by destructive hurricanes inlate summer and early fall.
When Columbus first set foot on San Salvador in the Bahamas in 1492, he saw a red-skinnedpeople,_ 22._ were very different from his fellow Spaniards. He called the island chain the Indies,__23.__ he had made it to India. As time passed, these islands came to be called the West Indies so asnot to be __ 24 ._ with the East Indies.
 [1] Upon his return to Spain, Columbus stirred interest in the area and Spaniards started comingto the West Indies and formed colonies on Cuba, Hispianola, Jamaica, and other islands in the 16thcentury. [2] The colonists were mainly interested in exporting sugar, coffec, tropical fruits, rum, andspices to their motherlands. European land owners imported slaves from Africa for labor on theirplantations. [3] After the Second World War, most of these colonies gained their independence, butmany have turned into politically somewhat unstable countries. [4]