Choose the most appropriate word to fill in the blank:
He was so tired that he ____ walk.
To determine the correct word to fill in the blank, consider the context of the sentence: "He was so tired that he ____ walk."
This sentence implies a cause-and-effect relationship where the level of tiredness affects the ability to walk. The word choice should reflect difficulty or inability due to tiredness.
Let's analyze the options:
Conclusion: The most appropriate word is "hardly," as it correctly captures the intended meaning: "He was so tired that he hardly walk."