閱讀下面短文，從短文后各題所給的四個選項（A、B、C和D）中，選出可以填入空白處的最佳選項。
When Pat Jones finished college, she decided to travel around the world and see as many foreign places as she could _________ she was young. Pat wanted to visit Latin America _________ , so she got a job __________ an English teacher in a school in Bolivia. Pat spoke a little Spanish, _________ she was able to communicate with her students even when they didn’t _________ much English.
A sentence she had read somewhere stuck in her mind: if you dream _________ a foreign language, you have really mastered (掌握) it. Pat repeated this sentence to her students and _________ that some day she would dream in Spanish and they would dream in _________ .
One day, one of her _________ students came up and explained in Spanish that he had not done his homework. He had _________ early and had slept _________ .
“What does this have to do with your _________ ?”Pat asked.
“I dreamed all night, Miss Jones. And my dream was in English.”
“In English?” Pat was very _________ , since he was such a bad student. She was _________ secretly jealous (嫉妒的). Her _________ was still not in Spanish. But she encouraged (鼓勵) her young student. “Well, _________ me about your dream.”
“All the people in the dream _________ English.” the student said. “And all the signs were in English. All the newspapers and magazines and all the TV programs were in English.”
“But that’s _________ ,” said Pat. “What did all the people say to you?”
“I’m sorry, Miss Jones. That’s _________ I slept so badly. I didn’t _________ a word they said. It was a nightmare (噩夢)!”
1.A. because B. while C. if D. since
2.A. first B. at first C. last D. at last
3.A. for B. of C. as D. like
4.A. and B. but C. so D. yet
5.A. say B. know C. read D. write
6.A. in B. about C. of D. for
7.A. thought B. realized C. hoped D. wanted
8.A. English B. Spanish C. Russian D. German
9.A. bright B. excellent C. best D. worst
10.A. got up B. gone to bed C. fallen asleep D. woken up
11.A. well B. soundly C. badly D. heavily
12.A. English B. language C. dream D. homework
13.A. surprised B. worried C. pleased D. excited
14.A. yet B. seldom C. also D. still
15.A. study B. class C. word D. dream
16.A. answer B. write C. tell D. ask
17.A. read B. liked C. spoke D. learned
18.A. wonderful B. terrible C. funny D. strange
19.A. how B. why C. when D. because
20.A. hear B. understand C. know D. remember
