jim isn't----（do doing） well in PE. boys are better ---（play playing)at football than girls横线上选哪一个词

jim isn't----（do doing） well in PE. boys are better ---（play playing)at football than girls横线上选哪一个词
jim isn't----（do doing） well in PE. boys are better ---（play playing)at football than girls
横线上选哪一个词

jim isn't----（do doing） well in PE. boys are better ---（play playing)at football than girls横线上选哪一个词
doing
playing