Lesson 13
¡Ú Lesson 13 - ¿À´ÃÀÇ ¹Ì±¹ Vs. ¿µ±¹ ¹ßÀ½ ºñ±³ ¹®Àå ¡Ú
* The curtain is being drawn.
* Curtains have been drawn.
* The sofa is unoccupied.
* A dog is being fed by a man.
* The man is looking back at the people.

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