• 2022-05-31
    The Internet began its quick development since ______ .
    A: six years ago
    B: five years ago
    C: recently
    D: not mentioned
  • D

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    • 0

      Is this factory _____ we worked five years ago?

    • 1

      He ___________(buy)the computer five years ago

    • 2

      We each other since known; ten years ago. A: have known; ten years ago B: knew; ten years ago C: have known; ten years D: knew; ten years

    • 3

      I haven’t seen her_______. A: since long B: long ago C: years ago D: longsince

    • 4

      Since I began to work here three years ago, this factory ______ in size. A: [A] had doubled B: [B] has doubled C: [C] doubled