【題目】 Little _______ that the region was rich in natural resources about four decades ago.

A. we did know B. knew we

C. did we know D. we knew

【答案】C

【解析】試題分析:句意：四十年之前我們一點都不知道這個地區(qū)有著豐富的自然資源。否定副詞little位于句首時，句子用部分倒裝語序，選C。

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