Answer: C) Since
Explanation for this question is being written.
Answer: A) From
Answer: B) On
Answer: D) Before
Answer: B) In on.
Answer: D) On
Answer: A) In
Answer: A) On
Answer: C) For
Answer: C) In, in.
Answer: D) At
Answer: D) .
Answer: A) At
Answer: C) At
Answer: A) Since
Answer: A) For
Answer: B) I visit my family every two weeks.
Answer: C) Before
Answer: B) IN
Answer: B) After
Answer: C) On
Answer: A) After
Answer: D) During
Answer: A) IN
Answer: B) In
Answer: D) Since
Answer: A) Ago
Answer: B) Summer
Answer: A) At dinner time.
Answer: B) Since
Answer: C) He has been working here for two years.
Answer: A) During
Answer: C) 13.40
Answer: B) ON
Answer: B) December