Answer: A) In
Explanation for this question is being written.
Answer: B) After
Answer: B) Until
Answer: B) ) For.
Answer: C) In
Answer: A) On
Answer: A) Half past eight.
Answer: B) On
Answer: A) For
Answer: A) I usually go swimming in the morning.
Answer: B) At
Answer: C) For
Answer: C) My family gets together at Thanksgiving.
Answer: A) By
Answer: D) At
Answer: A) IN
Answer: C) On
Answer: C) Ago
Answer: A) At
Answer: C) At
Answer: B) For
Answer: C) I do my homework at five.
Answer: A) Within
Answer: B) As a preposition.
Answer: B) At the.
Answer: B) Before
Answer: A) Time
Answer: A) A while.
Answer: B) While
Answer: D) In
Answer: A) Correct
Answer: A) Until
Answer: C) AT
Answer: B) SINCE LAST MONTH.
Answer: A) Since
Answer: D) No preposition.