Answer: A) On Monday.
Explanation for this question is being written.
Answer: A) Before
Answer: A) To
Answer: A) At
Answer: A) On
Answer: C) During
Answer: D) On
Answer: B) Since
Answer: B) On
Answer: D) At first sight.
Answer: A) In
Answer: D) No preposition.
Answer: C) Monday
Answer: C) In
Answer: A) Since
Answer: C) After
Answer: C) 20 minutes.
Answer: B) At
Answer: B) Before
Answer: C) Until
Answer: A) For
Answer: D) During
Answer: B) I visit my cousins on the weekend.
Answer: C) At
Answer: A) IN
Answer: B) In
Answer: D) No error.
Answer: D) After
Answer: A) After
Answer: A) Quarter past seven.
Answer: D) For
Answer: A) True
Answer: D) Next
Answer: B) In // (b) had been.
Answer: D) Twice in my life.".
Answer: C) For
Answer: B) For