Answer: A) This sentence is correct.
Explanation for this question is being written.
Answer: A) Neither the teacher nor the students were ready for the test.
Answer: B) Are
Answer: A) Or
Answer: A) "Students" is plural and closer to the verb.
Answer: C) Don't either.
Answer: A) Is
Answer: D) Are attending.
Answer: A) They run.
Answer: B) False
Answer: B) Were
Answer: A) Know
Answer: C) Are
Answer: B) Is
Answer: A) Need
Answer: A) True
Answer: B) Knows
Answer: B) Sits
Answer: B) Have
Answer: A) Was $\rightarrow$ were.
Answer: B) Knocks
Answer: A) Like
Answer: A) Begins
Answer: B) Neither of the team captains knows if they can make it to the meeting.
Answer: B) Are going.
Answer: A) Neither Benjamin nor his brother pitches the tent.
Answer: D) Latter
Answer: B) Need
Answer: A) Speak
Answer: A) "Friends" is plural and closer to the verb.
Answer: A) Was
Answer: D) Either-was
Answer: B) Attest
Answer: B) Talk
Answer: A) Are
Answer: B) Plays
Answer: A) Sits
Answer: C) Is
Answer: D) Are
Answer: C) Were