英文完形填空，请老师帮忙

At the beginning of the term,each child was given a job.All of them wanted to get the most_____job----looking after the calss dog.However,they all knew Rita was the best choice_____she did the best last year.However,to everyone's surprise,Rita didn't get the job.Instead,she was asked to____an ant.Although her teacher said that the ant was very special,Rita was very disappointed.The other children also felt_____for her.However,after Rita came home,her father encouraged her to do the_____well,although it wasn't important.Then Rita_____to take good care of the ant. "I will turn this little job into something great,"she said to____. She learned about different kinds of ants and studied_____about them.She gave the ant the best food,and it grew____. One day,the classroom_____opened and a stranger came in.The teacher said excitedly,"This is Doctor Martinez.He has come to tell us a_____piece of news." "Today we have got the____of a special competition.This class has been chosen to go to the tropical rainforest with me this summer vacation.We will_____all kinds of insects there.Among all schools,this calss_____the best care for the special little ant given to you.Congratulations!"At that time all the students______the teacher. 1. A.tiring B.interesting C.worrying D.difficult 2. A.so B.though C.because D.but 3. A.look for B.play with C.deal with D.look after 4. A.sorry B.worried C.happy D.excited 5. A.exercise B.job C.business D.cleaning 6. A.stopped B.liked C.hated D.decided 7. A.herself B.himself C.themselves D.ourselves 8.A.anything B.something C.everything D.nothing 9.A.slowly B.quickly C.strangely D.angrily 10.A.window B.wall C.floor D.door 11.A.wonderful B.bad C.disappointing D.crazy 12.A.time B. questions C.results D.places 13.A.buy B.study C.see D.find 14.A.gave B.took C.received D.brought 15.A.forgot B.remembered C.understood D.called

解题思路： 读懂短文，充分借助语篇上下文提供的信息，寻找、推理出合乎语境的答案来。
解题过程：
1. B 最有趣的工作
2.C 他们知道Rita是最好的选择因为她去年做得最好。
3.D 照看一直蚂蚁。
4.A 其他孩子也为她感到遗憾。
5.B 回到家，Rita的爸爸鼓励她做好这项工作。
6.D decide to do sth 决定去做某事。
7.A Rita是个女孩，故用herself.
8.C 学习有关蚂蚁的一切知识。
9.B 蚂蚁长得很快。
10.D 教室的门开了，一个陌生人进来了。
最终答案：略