For some time now, world leaders _____ out the necessity for agreement on climate change, the world_刷题宝

题干

For some time now, world leaders _____ out the necessity for agreement on climate change, the world economy and African development．

A：had been pointing

B：have been pointing

C：were pointing

D：pointed

上一题下一题 0.0难度选择题更新时间:2017-09-07 03:48:22

答案(点此获取答案解析）

B

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