The right answer is alternative four.
In the excerpt from "A Relay Race to Remember," the expression "he was gliding through the water like a dolphin" injects surprise into the story by making a comparison between that conveys how well Sean performs in he race. The phrase describes that Sean swims as well as a dolphin, meaning that he executes brilliantly at the race.
The rest of the options are not correct because the remark does not develop Malik's character or depicts how he swims, and it is not the end of the story.
<span>The sentence which needs a semicolon is : 5) Water is not everywhere it's miles away. When there are two or more ideas related ideas in a sentence, they can be joined by semicolon, in other words it is used to l</span><span>ink two </span>independent clauses in order to connect closely related ideas. The common idea is water, and this sentence should look like this: Water is not everywhere;it's miles away.
