To our delight, up till now, the European Union, Japan, and Russia ________ their targets for CO2 emissions (排放).
| A．give | B．have given | C．give | D．gave |
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To our delight, up till now, the European Union, Japan, and Russia ________ their targets for CO2 emissions (排放).
| A．give | B．have given | C．give | D．gave |
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