Answer: C) At
Explanation for this question is being written.
Answer: A) On
Answer: B) At
Answer: C) On, at, in.
Answer: C) Since
Answer: B) Since
Answer: B) No preposition.
Answer: A) IN
Answer: B) In
Answer: C) In
Answer: A) By
Answer: C) On
Answer: D) -
Answer: A) At
Answer: B) By
Answer: D) N/A
Answer: D) During
Answer: B) For
Answer: C) Until
Answer: B) On/at
Answer: B) On
Answer: A) For
Answer: A) Since
Answer: A) AT
Answer: A) In
Answer: B) Ten after ten.
Answer: D) FOR
Answer: B) ON
Answer: D) At, in.