on (preposition)
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Question 1 / 1
Choose the sentence that goes with the picture.
![](https://gdb.voanews.com/e5945165-3610-4d8a-b1a1-2248f1c99b08_cx0_cy15_cw100_w250_r1_s.jpg)
See how well you learned the Word of the Day by taking this short quiz!