Answer: D) For
Explanation for this question is being written.
Answer: B) In
Answer: C) At
Answer: C) Before
Answer: D) On
Answer: B) On
Answer: B) Before a video conference.
Answer: B) 11:45
Answer: A) During
Answer: B) We will meet after lunch.
Answer: B) Except
Answer: A) On Fridays.
Answer: A) Since
Answer: B) Before
Answer: B) Last
Answer: D) Since
Answer: A) For
Answer: A) From to.
Answer: D) At
Answer: A) In
Answer: C) Saturdays
Answer: A) At the same time.
Answer: A) After
Answer: C) In
Answer: D) During
Answer: A) Until
Answer: A) A
Answer: B) ON
Answer: A) After dinner, we watched TV.
Answer: C) Preposition of time.
Answer: A) In-at stake.
Answer: A) At
Answer: C) Between
Answer: C) After
Answer: A) At, since, on.
Answer: C) On
Answer: C) On / early.
Answer: C) For
Answer: A) At/ in.
Answer: B) For
Answer: C) Since
Answer: C) From, to.
Answer: A) The discounted price on 16th September only.