When about one of the biggest problems today, many experts say that an energy crisis is ap
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解决时间 2021-12-26 08:22
- 提问者网友：温柔港
- 2021-12-26 01:20
When about one of the biggest problems today, many experts say that an energy crisis is approaching and is thus threatening mankind's survival．
A. asked
B. being asked
C. having asked
D. asking
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- 五星知识达人网友：独行浪子会拥风
- 2021-12-26 02:43
(答案→)A. askedB. being asked C. having askedD. asking解析：可联系答.案.网客服索取。
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- 1楼网友：鱼芗
- 2021-12-26 03:18
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