...work,watch,eat,read,wait,talk,go,play,study,take,have, dance...答:cleaning,working,watching,eating,reading,waiting,talking,going,playing,studying,taking,having, dancing,coming
...do-- ,help-- ,study--,babysit--,heve--,visit--,play._百度...答:going,doing,helping,studying,babysiting,heveing,visiting,piaying.