• 2022-05-27
    They cleaned their classroom ____ .
    A: three hours
    B: on three hours
    C: three hours ago
    D: three hours later
  • C

    内容

    • 0

      How did the Greens go to Tokyo three hours ago A: In a train. B: On a farm. C: On a bus.

    • 1

      How did the Greens go to Tokyo three hours ago A: By sea. B: By train. C: By air.

    • 2

      Questions 95-97 refer to the following traffic information. How long will be the three section highway closed A: 4 hours B: 6 hours C: 7 hours D: 8 hours

    • 3

      The fire ____for three hours before the fire fighters arrived.

    • 4

      It took me three hours _______(get) there by train yesterday.