Answer: A) Before
Explanation for this question is being written.
Answer: D) In
Answer: C) In
Answer: B) On day to day basis.
Answer: C) On
Answer: A) Through
Answer: A) For
Answer: B) On
Answer: D) At
Answer: B) In
Answer: A) Since
Answer: A) On, on.
Answer: C) At
Answer: B) Preposition
Answer: B) During
Answer: C) During
Answer: A) On
Answer: B) For
Answer: C) Since
Answer: A) At
Answer: A) For the exam.
Answer: A) Until sunset.
Answer: D) For, until.
Answer: A) From, in.
Answer: A) On time.
Answer: B) Tomorrow
Answer: A) In
Answer: A) After
Answer: B) Past
Answer: D) Upon
Answer: C) 2, 3, 4, 5, 6, 1.
Answer: A) Zero preposition.
Answer: C) Before & inside.
Answer: B) Since