Respuesta :
Most schools still take summers off, though this may not be true much longer.
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Answer:
Most schools still take summers off, though this may not be true much longer.
Explanation:
In this sentence, the author introduces a main topic that will be discussed in the text. This topic is the fact that schools take summers off. However, this is not the only thing that the sentence introduces. The sentence also talks about what is going to come later in the story. The sentence offers us a preview by telling us that this will not be going on for much longer. From this statement, the reader can guess that the text will focus on the reasons and the ways in which this will change in the future.