__ the academic researchers at the campus last week? 3) (A)Were (B)Was (C)Did (D)Had 4) Has Marina __ you last week? (A) contact (B) call (C) phone (D) contacted 5) __ the article have a great impact for the readers? (A) Do (B) Does (C) Is (D)Did 6) Have they __ the objectivity in reporting the news (A) select (B) choose (C)selected (D)to select

Let's break down these grammar questions:**3) __ the academic researchers at the campus last week?*** **Correct Answer:** (A) Were* **Explanation:** "Researchers" is plural, so we need the plural form of the verb "to be" in the past tense, which is "were."**4) Has Marina __ you last week?*** **Correct Answer:** (D) contacted* **Explanation:** "Has" is a helping verb indicating the present perfect tense. The past participle of "contact" is "contacted."**5) __ the article have a great impact for the readers?*** **Correct Answer:** (B) Does* **Explanation:** "Article" is singular, so we need the singular form of the verb "to do" in the present tense, which is "does."**6) Have they __ the objectivity in reporting the news*** **Correct Answer:** (C) selected* **Explanation:** "Have" is a helping verb indicating the present perfect tense. The past participle of "select" is "selected."