题目内容
The government decided to take some action _______ the situation turned too bad.
A. until B. unless C. when D. before
【答案】
D
【解析】此题考查介词。根据语境可知应选D。因为政府采取行动应该在局势变坏以前。
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题目内容
The government decided to take some action _______ the situation turned too bad.
A. until B. unless C. when D. before
D
【解析】此题考查介词。根据语境可知应选D。因为政府采取行动应该在局势变坏以前。