选词填空：根据对话内容，从方框中选择恰当的单词填空。

Last term,Peter was  at home.His parents were doing busines in another city. He felt lonely,so he often turned on the computer and played computer . However, sitting in front of the computer for a long time is  for him. And he spent little time on his study.He failed his exams.Luckily,his parents  his problem in time.They decided to come back home.Peter studies hard now.So far,he has made progress in his study.He  he can catch up with his classmates soon.