A: It is half past one. When did you see her?#
B: I saw her at one o'clock.#
C: I saw her half an hour ago.#
A: Today is Tuesday. When did she air the room?#
B: The day before yesterday.#
C: She aired the room on Sunday.#
A: It is March. When did they go to London?#
B: The month before last.#
C: They went to London in January.#
A: It is nineteen sixty-one. When did you paint the room?#
B: The year before last.#
C: I painted the room in nineteen fifty-nine.#
A: It is July 3rd. When did you buy the book?#
B: Yesterday.#
C: I bought the book on July 2nd.&