Here are the suggested changes for each question based on standard grammar and usage:
Question 3: Since the text you are referring to is not included, it's difficult to determine the correct answer. However, generally speaking, most sentences would require either a colon (:) or a semicolon (;) based on the context. If the sentence is introducing a list or elaborating on something, then "directions:" would be correct. If it's separating two independent clauses, "directions;" may be appropriate.
Question 4: The correct answer is: b. delectable
Question 5: The sentence structure is important to convey the intended meaning. The most streamlined option would likely be: b. Laughing loudly, she said,
Please provide the complete sentences for better assessment if my suggestions do not align with the context.