Oxford University, said that time spent on homework showed the influence of the school--if children were expected to do homework and if they enjoy their subjects. "That's one of the reasons Indian and Chinese children do better. They put more time in it." he added. It's also reported that students who enjoyed school got better results. It is suggested that children aged 5 to 7 should be given one-hour homework a week, half an hour a night for 7 to 11-year-olds, two hours a night for 14 to 16-year-olds. "Headteachers should make their own homework policy  ," the government says. It is suggested that 5 to 7-year-old children should be given   _  .
one-hour homework a night half an hour homework a night Two- hour homework a week one-hour homework a week