• 2022-06-06
    I think we have still _______ many other countries’ capitals in pollution control. The coming 2008 Olympic Games is a wonderful opportunity to address this problem. We should not let it _______.
    A: lagged behind; slip by
    B: left behind; slip by
    C: been left behind; slip through
    D: been lagged behind; slip away
  • A

    内容

    • 0

      In "Left Behind", what do you think the author eventually intends to convey? A: She complains about the trivial things left behind by her children and grandchildren. B: She recalls the past events and narrated them one after the another. C: She suggests that bad memories in the life should be left behind forever. D: She thought that the profound love should be left behind forever among family members.

    • 1

      Besides things left behind, what else were also left behind?

    • 2

      Hasn't the rain ______ yet? A: left off B: left behind C: left over D: left away

    • 3

      I regret ____(let) slip that opportunity.

    • 4

      The fact remains ____ we are behind many others.