三、用所给单词的适当形式填空
16. If it ______ (rain) tomorrow, we won't go swimming.
17. —What is he busy doing?
—Doing the experiment ______ (complete) the science project.
18. Please finish your food. There are many hungry ______ (baby) in the world.
19. If you ______ (not be) careful enough in the exam, you will not get a good grade.
20. Nothing can prevent us from ______ (realize) our dreams.

rains
; to complete
; babies
; aren't
; realizing

四、根据汉语完成句子或翻译句子
21. 你何时到达济南的?
When did you ______ ______ Jinan?
22. 昨天,她没赶上公共汽车,只好步行回家。
Yesterday she ______ the bus and ______ to walk home.
23. 让我们尽最大的努力来帮助贫困国家的孩子们。
Let's ______ ______ ______ ______ ______ the children in poor countries.
24. 除非有医生的证明,否则你必须参加体育测试。
You're required to take ______ in the PE test ______ you have a doctor's note.
25. 要是把她和他的家庭作业比较一下,你就会发现她的要好得多。
________________________________________________________________________
________________________________________________________________________

arrive
; in
; missed
; had
; do/try
; our
; best
; to
;  help
; part
; unless
; If you compare her homework with his,
; you'll find hers is much better.

补全对话,其中有两项多余
A: Hi! What are you going to do this weekend?
B: I'm going to see a movie. 1. ______
A: Sure. What kind of movie do you like?
B: Science fiction films.
A: Have you ever seen the movie The Wandering Earth Ⅰ?
B: No, I haven't. 2. ______
A: Yeah. I saw it yesterday.
B: 3. ______
A: I think it is one of the best movies I have ever seen.
B: 4. ______
A: For about two hours.
B: Is the price of the ticket high?
A: Oh! Just a little. 5. ______
B: Thank you. I'll buy the ticket online right now.
A: OK. No problem.
A. What should I do?
B. It cost me 40 yuan.
C. How do you like it?
D. But I heard it is great.
E. Can you give me some advice?
F. How long does it last?
G. It took two hours.

E
; D
; C
; F
; B