选词填空：
A. normal, ordinary, regular
It's perfectly _____ for us to get depressed from time to time.
Do you want the _____ size or this big one?
I feel asleep every night with the _____tick of the clock.
He is a _____ child in every way.
I've chosen an _____one;  I don’t like strange-looking things.
B. out,over,up
As soon as he opened the door,a gust of wind suddenly blew the candle_____.
Since your relation with her is_____,it is no good thinking about it any longer.
In the last few centuries, hundreds of animals have died_____.
Time is_____. Everyone is required to go out of the classroom and leave your papers on your desks.
Due to thirst, he quickly drank_____the milk in the glass.
C. as a whole, on the whole
I think his first play is successful_____.
We must examine these problems_____.
This is my final judgment on your research work_____.
_____I am quite satisfied with what you have achieved.