MCQOPTIONS
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| 1. |
Directions: Each of the following items in this section has a sentence with a missing preposition. Select the correct preposition from the given options and mark your response accordingly.In extremely poor societies, children can be put to work _______ a young age and are therefore a source of income. |
| A. | in |
| B. | on |
| C. | by |
| D. | at |
| Answer» E. | |