Explanation: A linking verb connects a subject to a verb and also describes the action that is done by the subject. The linking verb cannot express an action on its own. It needs the subject of the sentence to express an action.
An example of a linking verb is "be" which is the most commonly used. The purpose of "be" is to indicate the state of the action subject in a sentence.
<h2><em>Metaphor, personification.
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</em></h2><h2><u><em>EXPLANATION:
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</em></h2><h2><em>The poem cherry tree is about the cherry tree which the poet wants to plant. He sow the seeds and seeds grow into a sapling and then in to a plant. It took eight years for the plant to produce cherry after so much struggle like extreme cold conditions, goat eating leaves of the tree, fungus of the plant etc.,
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</em></h2><h2><em>Metaphor is a figure of speech in which the poet compares two things but cannot be taken literally. Example:’ Ripened and jewelled in the sun’ he tells that the berry is like a jewel in the sunlight which shows us that he admires the fruit but not ‘it looks like a jewel’.
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</em></h2><h2><em>Personification means the author's way of behaviour the plant or any non living thing in comparison with a human being. Example: The flower danced in the cool breeze. In this poem it says about the cherry tree. ‘Its arms in a fresh fierce lust’.
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The first sentence makes it seem as though the yeast is being rolled out instead of the dough, since it does not use commas on either side of "activated by yeast". The correction in option "b." makes it clear that the dough is being rolled out while also specifying that it is yeast-activated dough.