Effective measures should and laws to protect pandas. Otherwise, they are certain to die out. 题目和参考答案——青夏教育精英家教网—

题目内容

8. Effective measures should________ (take) and laws________ (pass) to protect pandas. Otherwise, they are certain to die out.

8. be taken; be passed 句意：应该采取有效的措施，通过法律来保护大熊猫。否则，它们一定会灭绝的。take measures采取措施。measures是主语，应该用被动语态；第二个空省略了 should，也是被动语态的用法。

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