• 2022-06-14
    We must take defensive measures before the enemy troops arrive.
    A: necessary
    B: protective
    C: resolute
    D: suitable
  • B

    内容

    • 0

      The government must take some measures _____ the city pollution.

    • 1

      As soon as we crossed the border, enemy troops started firing at our troops. A: shooting B: fighting C: striking D: hitting

    • 2

      It is essential that we __________ measures to protect the ozone layer. A: will take B: should take C: would take D: took

    • 3

      We should take measures to p____________ the environment.

    • 4

      The enemy troops committed a _________ mistake.