Answer: A) On
Explanation for this question is being written.
Answer: B) On
Answer: C) On
Answer: A) For
Answer: B) For
Answer: C) IN
Answer: B) In
Answer: D) On
Answer: A) From/to
Answer: A) Every
Answer: A) In
Answer: A) And
Answer: C) For three years.
Answer: C) In/in
Answer: A) Since
Answer: A) Under
Answer: A) Before
Answer: B) In the night.
Answer: E) In
Answer: B) Since
Answer: A) By
Answer: C) The meeting must start exactly on time.
Answer: B) At
Answer: A) At
Answer: B) During
Answer: B) From
Answer: C) During
Answer: B) Preposition
Answer: B) For the.
Answer: D) Throughout the Year.
Answer: D) Since
Answer: C) For
Answer: B) After