{"parts":[["choose","Choose the correct answer.",0,"","",[["The teacher ____ the lesson at the moment.",["explains","explaining","is explaining","are explaining"],0],["The sun ____ right now. Look at the beautiful colors!",["sets","is setting","setting","set"],1],["I ____ in the park now because it's raining.",["do not run","am not running","is not running","not running"],2]]]],"corr":[[3],[2],[2]],"exp":["","",""]}
10
