阅读下面短文,掌握其大意,从每小题所给的A、B、C三个选项中选出最佳选项。
Mr Green is now forty-five years old. As a worker he is usually very1and comes home late every day. 2 is coming, he even has no time to buy presents for his son.
Today when he comes back home from work, it is 6:30 pm. "Dad! Can we go shopping3 the Christmas present tomorrow?"" Bill asks his father.
"4, Bill. Dad has to work tomorrow. Here is 30 dollars for you. You can buy5some of your favorite books. I know you are interested in 6"Mr Green says to his son.
"Thank you very much, Dad, "Bill says.
"7 are the books?"'Mr Green asks his son the next evening.
"Well, Dad! I went to the bookstore this morning. On the way, I 8 Mr Smith and his son, Bob. Bob wanted some toys as presents, 9you know his family is too poor(贫穷). Then I gave the 10 to them. "
Mr Green hugs (拥抱) his son and says, "Good boy!"