MCQOPTIONS
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| 1. |
Out of the four alternatives, choose the one which can be substituted for the given words/sentences and click the button corresponding to it._x005F_x000D_ The thing no longer in use |
| A. | Obstacle |
| B. | Obsolete |
| C. | Obsidian |
| D. | Obstruction |
| Answer» C. Obsidian | |