• 2021-04-14
    Pigeons have a natural instinct to return home, ____ they are very far away and the trip is hard or dangerous.
  • even if

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    • 0

      Scientists have found out how pigeons find their way home but they keep it as asecret.

    • 1

      In this mountain area, two volcanoes have been _____ lava (熔岩) for a week. It is very dangerous.

    • 2

      Jensen is a dangerous man, and can be very brutal. A: careless B: strong C: cruel D: hard

    • 3

      The stars_______ very small because they’re very far away from us. A: are B: look C: change D: become

    • 4

      His wife has to work hard at home, and perhaps outside the home A: as yet B: so far C: before long D: as well