Hoàn thành các câu sau

How long (it take) . . . . . . . .. . . . . . . . . . . . . . . . . .  your father (paint) . . . . .. . . . . . . .  this picture? 
   -  Oh, quite a long time. And he used only three colors on it, you see. 
2. Her younger sister (enjoy / play) . . . .. . . . . . . . . . . . . .  with kittens very