14．阅读下面一段对话， 并在相应的横线上填上一个恰当的句子， 使对话内容完整通顺。
(Eric, Nick and Lele are working as volunteers (志愿者) in Taiyuan Library. )
Eric: Good morning, Nick!
Nick: (1)       How are you?
Eric: I'm fine, thanks. And you?
Nick: I am OK. Oh, Eric. (2)      
Eric: Yes, he is. He is my good friend Lele.
Nick: Good to see you, Lele.
Lele: Me, too. (3)       We will call you later for lunch.
Nick: It is 383-0902. I'm happy to have lunch with you.
Eric: Is it your first time to work here?
Nick: (4)       I can't find Reading Room 302. Can you show me the way?
Lele: Sure. Come with me, please.
Nick: (5)      
Lele: You are welcome.

15．is, your, she, sister (?)
      

16．this, what, dictionary, about (?)
      

17．is, here, good, a, picture, China, of (.)
      

18．can, I, help, friend, watch, my, find, his
      .

19．bookcase, my, radio, and, tapes, the, are, in
      .

20．用方框中所给的单词填空, 使短文内容完整、通顺, 每个单词只用一次.

　　Hello, everyone! Are you excited about your new school? Let me tell you about my classroom. It is a big and (1)             classroom. Students' desks and (2)             are in the center. Under the desks (3)             some boys' basketballs. They play them every day. (4)             photos of our class are on the wall. A map of the world is on the wall, (5)            . A teacher's desk is in the (6)             of the front (前面). You can see a tape player on (7)            . A computer is in the desk. My English teacher uses the tape players and the computer in (8)             classes. We like to listen to tapes and sing (9)             English. We think it is a lot of fun to learn English that way.
　　We all love our new (10)            . It is like our home.

21．
　　The year 2020 is unforgettable for everyone. We are at home for a long time because of the COVID-19. But many people still go out and (1)             people in need. Zhong Nanshan is one of them. This year, we can (2)             hear his name on TV and on the radio. On August 11^th, President Xi Jinping gave him the Medal of the Republic (共和国勋章) to thank him for (3)             hard work.
Zhong Nanshan (4)             a very famous doctor and teacher. He comes from a family of doctors. His (5)             are both doctors. When he is young, his dream (梦想) is to be a doctor. He is 84 years old this year, (6)             he still goes to Wuhan and helps the people there. During that time, visiting patients (病人) is often the (7)             thing for him to do every day. When his family call him, he always says, "Don't worry about me. I am (8)            ."
We (9)             learn from him and help people around us. He is a hero (10)             China. We all thank him for what he has done for us.