Answer: D) Since
Explanation for this question is being written.
Answer: A) Conveys time.
Answer: A) On
Answer: B) For
Answer: D) Change 'at the morning' to 'in the morning'.
Answer: A) At-noon
Answer: B) In
Answer: C) Since
Answer: C) In
Answer: C) At
Answer: A) Last
Answer: A) In / in.
Answer: B) On
Answer: A) At
Answer: C) Before
Answer: B) Since
Answer: A) For
Answer: E) At
Answer: D) In
Answer: A) In/in
Answer: A) We always have a holiday in summer.
Answer: A) In time.
Answer: C) On the thirty-first of October.
Answer: A) During class we watched a spider walk across the table.
Answer: C) Time
Answer: B) Year
Answer: B) After
Answer: C) On
Answer: A) FOR
Answer: D) Until
Answer: B) While
Answer: A) In
Answer: B) When
Answer: B) During the typhoon.
Answer: C) 2 hours.
Answer: B) B
Answer: D) For
Answer: D) Preposition: by, object: inning.
Answer: A) Before
Answer: C) By