Answer: B) In
Explanation for this question is being written.
Answer: C) Since five years.
Answer: A) In the morning.
Answer: C) At the end of the day.
Answer: C) On
Answer: B) At
Answer: A) In
Answer: D) During
Answer: C) In
Answer: A) On
Answer: B) My mom works in the morning.
Answer: A) For
Answer: C) After
Answer: B) On
Answer: A) Since
Answer: A) At
Answer: C) At
Answer: B) The party is on Saturday, at 3:00 PM, in the afternoon.
Answer: A) By
Answer: D) Time
Answer: A) At-in
Answer: C) Within
Answer: A) 9 a.m. to 9 p.m.
Answer: B) Stay
Answer: B) ON
Answer: A) Before
Answer: C) For
Answer: B) For
Answer: A) Preposition of time.
Answer: B) After
Answer: A) On; in.
Answer: C) C
Answer: C) On Sunday.
Answer: A) A
Answer: C) During
Answer: B) Up
Answer: D) For
Answer: C) Behind schedule.
Answer: A) Preposition: during, object: game.
Answer: B) During
Answer: B) They moved to Hanoi in 1968.
Answer: C) AT
Answer: A) Till