Answer: C) Of
Explanation for this question is being written.
Answer: C) In
Answer: A) On
Answer: C) At
Answer: B) On
Answer: A) In
Answer: A) For
Answer: C) ON
Answer: A) Our examination will commence on Saturday.
Answer: C) For / in.
Answer: C) After
Answer: C) Since
Answer: C) For
Answer: A) It tells us when or for how long something happened.
Answer: D) At
Answer: A) IN
Answer: A) At
Answer: A) After
Answer: A) Up
Answer: B) 10 minutes.
Answer: B) Since
Answer: B) From
Answer: B) During
Answer: A) Throughout
Answer: D) While
Answer: B) For
Answer: C) Before
Answer: B) Before
Answer: C) Friday
Answer: B) On, at, in.
Answer: B) B
Answer: D) No preposition.
Answer: A) By
Answer: A) During
Answer: D) By
Answer: A) When
Answer: A) Time.
Answer: B) At
Answer: A) In/in/in/at
Answer: A) (no preposition).