Answer: B) On
Explanation for this question is being written.
Answer: C) Prepostion
Answer: A) In
Answer: B) Before
Answer: D) For
Answer: C) At
Answer: B) After dinner.
Answer: A) Since
Answer: B) At
Answer: B) ON
Answer: B) In time.
Answer: A) For
Answer: A) On
Answer: B) For
Answer: C) On
Answer: B) Incorrect
Answer: A) At
Answer: A) After
Answer: D) In
Answer: B) In
Answer: B) Off
Answer: C) In
Answer: D) Morning
Answer: B) To
Answer: C) Ago
Answer: B) SINCE
Answer: A) From, to.
Answer: B) At 7 am-at 8.30 pm.
Answer: C) Night
Answer: A) About, after, before, behind, down.
Answer: A) On / at.
Answer: A) After, on.
Answer: A) SCINCE
Answer: B) By
Answer: A) In / on.
Answer: C) Up to 40 years.
Answer: D) At
Answer: C) Before
Answer: C) For