MCQOPTIONS
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| 1. |
Fill in the blanks with the suitable option.The face of _______ oldest species that unambiguously sits on the human evolutionary tree has been revealed for the first time by the discovery of a 3.8 million-year-old skull in Ethiopia. |
| A. | On |
| B. | Our |
| C. | The |
| D. | An |
| Answer» D. An | |