阅读短文，从41-50各题所给的ABC四个选项中，选出一个可以填入空白处的选项。

　　Mary and Donald Smith lived in the same building. Donald 41 a toy company. One day Donald gave Mary. the 4-year-old girl. a new toy. She played with it and said. "This is fun! A few weeks later Donald gave her 42 toy. She played with it and then said. "I'm not 43 in this toy. It doesn't work." For years Donald gave Mary new toys. and she gave him very good 44 about the toys.

　　When Mary was 13 years old. Donald showed her a new ball. Mary wanted to 45 the ball with small stones to make it 46 .The company made this change. Mary's idea was a great success! The company sold thousands of the balls.

　　That Christmas. Donald gave Mary an 47 gift. He made her vice-president(副总裁) of the toy company. She made $200,000 a year. Her job was to see 48 the new toys were fun. She worked 49 three or four hours a day at her job, then she had to do her homework.

　　Today Mary works at a college. The little vice-president with bright ideas helps students think about their 50.

　　4I. A. owned B. rioted c. owns D. closes

　　42 A. other B. other C. the other D. another

　　43. A. excited B. interested C. relaxed D. bored

　　44. A. ways B. designs C. questions D. ideas

　　45 A. fill B. full C. add D. pour

　　46. A. noisy B. quiet C. light D. future

　　47. A. special B. awful C. amazing D. useful

　　48. A. when B. if C. as D. since

　　49. A.on B. in C. for D. with

　　50. A. company B. toys C. homework D. future

　　【主旨大意】拥有玩具公司的Donald Smith，经常给邻居Mary礼物，Mary对礼物的评价帮助Donald Smith把自己的公司越做越好。