题目内容：

Dear Xiaohua,

I’m very glad to receive your letter. From your letter I know you have shown 1.______ great interest in inventing new things. That’s great. As for how to be an inventor, there is no quick answer to 2.______.

Coming from different cultures and having different backgrounds, inventors don’t seem to have much 3.______ common. But creative thinking, 4._______ is greatly valued, is perhaps the basic skill an inventor should have. In order to explore new possibilities, you will have to learn to break5.______ from old thought patterns. When you get stuck, try to look at the problem in 6.____ many ways as possible. Each new way may improve your understanding.

More importantly, always keep it in mind 7.______ success is no accident. It is the result of a long process of trial and error. Above 8._____, the main task for you is to study hard and try to learn more knowledge. This, of course, will lay a solid foundation.

Hope your future invention will make a difference.

Good luck!

Yours,

Wang Li