It is said that potato chips ___ by mistake about a hundred years ago. （ ）

A．invent

B．invented

C．are invented

D．were invented

完形填空，根据短文内容，选择最佳选项。

In the park I sat down to read on the bench, disappointed by life with good reason to complain, for the world was ________ letting me down.

Then a young boy came up to me and said with great excitement, “ Look, what I found!” In his hand was a flower, and he placed it to his nose. He said with overacted surprise, “It sure _______ pretty and it’s for you.”
The flower before me was dead. But I knew I must _______ it, or he might never leave. So I reached for the flower and replied, “Just what I need.” But ________ placing the flower in my hand, he held it midair without reason. It was then that I noticed for the very first time, that the boy was blind.
I heard my voice trembling (颤抖) , tears ________ in the sun, as I thanked him for picking the “best” one. I sat there and wondered how he managed to see a self-pitying woman.
Through the eyes of a blind child, at last I could see, the problem was not with the ________ ;the problem was me. And for all of those times I myself had been _______ , I made up my mind to see the ______ in life.

【小题1】

A．once B．hardly C．always D．seldom

【小题2】

A．feels B．smells C．keeps D．seems

【小题3】

A．get B．try C．give D．take

【小题4】

A．as for B．instead of C．except for D．because of

【小题5】

A．shining B．falling C．running D．drying

【小题6】

A．world B．flower C．boy D．life

【小题7】

A．annoyed B．silly C．proud D．blind

【小题8】

A．future B．problem C．beauty D．reason