This gas field was ______ our company discovered natural gas with commercial val

游客2025-06-11 14

问题 This gas field was ______ our company discovered natural gas with commercial value for the first time.

选项 A、which
B、what
C、when
D、where

答案 D

解析空格处是需要连接两个句子的连接词的位置。空格后是完整的句子，因此首先要排除引导不完整的句子的which和what。在引导完整的句子的连接词when和where中，考虑到出现了gas field，即“油气田”这一场所，所以where作为正确答案合适。

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Thisgasfieldwas______ourcompanydiscoverednaturalgaswithcommercialval