I don't think the experiment is _____ failure. At least we have got _____ experience for our
future work on _____ nature.
| A．/; /; / | B．a; /; the | C．a; /; / | D．/; the; / |
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I don't think the experiment is _____ failure. At least we have got _____ experience for our
future work on _____ nature.
| A．/; /; / | B．a; /; the | C．a; /; / | D．/; the; / |
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