【单选题】
Nobody is ______, so try not to worry too much about that.
【单选题】
The greatest tragedy in life is not to lose too much,but care about too much,_________ is an important reason people are not happy.
【单选题】
-I hope you don’t mind my pointing out your mistakes.- ____.
【单选题】
I am all ears, ____,I am listening to you with all attention.
【单选题】
Small as it is, the ant is as much a creature as ____ all other animals on the earth.
【单选题】
4.Scientists didn’t know much about lung cancer ______.
【单选题】
When I got out of the car and walked about among them, ____ one old man who shook his head disapprovingly, they all began to cheer.
【单选题】
I know the man by ____ but I have never spoken to him.
【单选题】
----Amy, I called you yesterday evening, but nobody answered the phone.----Oh, I _______ a walk with my mother at that time.
【单选题】
I hope you are making ________ for continuous education in your life.