My brother likes eating very much but he isn't very _____ about the food he eats.
It was along the Mississippi River _________ Mark Twain spent much of his childhood.
If you have a job, ______ yourself to it and finally you will succeed.
It is not how much we do but how much love we put into what we do ________ benefits our work most.
Was it on a lonely island he was saved one month after the boat went down.
John's success has nothing to do with good luck. It is years of hard work _______has made him a great scientist today.