Until the present century, demand for natural gas.A. littleB. and littleC. there was lit

发布时间：2020-08-15 00:02:13

  Until the present century,      demand for natural gas.
A. little
B. and little
C. there was little
D. was there little

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A. little
B. and little
(答案→)C. there was little
D. was there little
解析：本题实际上考查的是not…until…结构。
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