Not until the 1980’s _____ in Beijing start to find ways to preserve historic bu

游客2023-10-26 20

问题 Not until the 1980’s _____ in Beijing start to find ways to preserve historic buildings from destruction.

选项 A、some concerned citizens
B、some concerning citizens
C、did some concerning citizens
D、did some concerned citizens

答案 D

解析考查倒装句。表示时间的not until位于句首时，句子要用倒装形式。concerning为介词，意为“关于”，concerned是形容词，意为“关心公众事务的”，故选D。

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