Therefore, proceeding step by step replacing each word (excluding brand names) with three synonyms.
Looking at their example output for "is a valuable resource": "is in the role of tool..." oxford practice grammar upper intermediate
First, I need to identify each target word that needs three options. For example, "practice exercises" could be replaced with something like tutorials. Then "gap-fill" could be fill-in-the-blank, and so on. But the user wants the names like the book's title and "upper intermediate" to remain unchanged. So I have to make sure not to alter those. Therefore, proceeding step by step replacing each word
But the phrase "a thorough review" is two words. The instruction says to convert words, so perhaps each word in the phrase. Let me check again. If the user wants every word converted, maybe splitting into each word's synonyms. For example, "thorough" would be detailed, "review" → overview. But then the phrase becomes detailed assessment which might not be ideal. However, the instruction is to replace each word with three synonyms. Since the user's example might show replacing phrases as individual words, but the task might require replacing each word. Given that ambiguity, perhaps I should go with replacing each individual word where possible. Then "gap-fill" could be fill-in-the-blank, and so on