Blank 1 Question 3[select: , Every, Each] student has written an e-mail.

Question

BlackTom AI · Accepted Answer

Each emphasizes individual members of a group, so "Each student has written an e-mail." treats every student as an individual who completed the action.

1) Relevant knowledge points and concepts
- Quantifiers "each" and "every" are used with singular countable nouns. Both take a singular verb form (has, is, etc.).
- Nuance: "each" focuses on individuals separately; "every" views all members as a whole or generality.
- A bare blank is not acceptable because a quantifier is required to complete the sentence.

2) Step-by-step reasoning
- The skeleton sentence is "[quantifier] student has written an e-mail."
- Grammar rule: after "each" or "every" we use the singular noun "student" and the singular verb "has" — that matches the sentence’s verb form.
- Choose between "each" and "every" based on nuance. If the intended emphasis is individual completion (one by one), "each" is preferred. If the emphasis is that all members of the class, as a group, have done it, "every" would also be grammatical.

3) Intermediate steps (showing agreement)
- With "each": Each (quantifier) + student (singular) + has (singular verb) + written an e-mail (predicate). Full sentence: "Each student has written an e-mail."
- With "every": Every (quantifier) + student (singular) + has (singular verb) + written an e-mail. Full sentence: "Every student has written an e-mail."

4) Why the correct answer is correct
- "Each" fits the grammar pattern and conveys the likely intended focus on individual students having written an email. It correctly pairs with the singular noun and singular verb already present.

5) Why other options are incorrect or less appropriate
- Blank (no word) is incorrect because the sentence would be incomplete.
- "Every" is grammatically correct but differs slightly in emphasis; the test’s correct response is "Each," so "every" is not the target answer here.

6) Conclusion
The correct choice is "Each," matching the provided answer: Each.

Blank 1 Question 3[select: , Every, Each] student has written an e-mail.多重下拉选择题

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