阅读短文，从方框中选出适当的单词填空

Dear Ricky,
    How are you ____ on? Thanks very much for sending me the pictures and the English reading materials. From the pictures I can ____ that your school looks very beautiful. The reading materials are very useful and ____. I can learn a lot from them.  Some stories are so interesting that I like them very much.
    Now I don't have ____  time for my hobbies. I am busy getting ready for the coming exams. I’m working hard at all my lessons because I want ____ a better result.
    I'm looking forward to hearing from you soon.
Yours,
Wu Ming

日常生活中还有很多“巨大婴儿”和“啃老族”他们本该独立生存却一直依赖父母，永远长不大。这些人最应该具备______品质。（    ）

下面是小晶同学对身边的一些电路进行观察分析后作出的判断，其中不正确的是（　  ）