1. Students have to pay tuition fees before they start [   ] courses via the computerized registration system.


2. Research shows that only some animals are able to [   ] in the wild after being released from the zoo.


3. The museum’s main hall [   ] an enormous book, and its restaurant looks like a big cake.


4. My uncle had a 15-year-long [   ] in business before he became a teacher.


5. Where are you going? I’m going to the [   ].


6. The power supply in this area is not [   ]. You had better save your file every ten minutes.


7. Anna has been asking Henry to eat more healthily but he hasn't been [   ] by her arguments.


8. Mr. Johnson rarely gets upset in the office,    ? 


9. The piano is one of the most popular musical [   ] today.


10. On the average, a healthy heart [   ] to pump five tablespoons of blood with every beat.


11. I had a great time reading the book [   ] you lent me.


12. Modern people tend to value material enjoyment too much and ignore [   ] pursuit.


13. She looked immensely [   ] when she learned that her son had survived the crash.


14. A: Can you pass the test? B: [   ] A: Good for you. I’m very likely to fail.


15. I just learned that Tivoli Gardens in Copenhagen, Denmark was the ____ for the original Disneyland in L.A., California.  


16. [   ] month of the year in Taiwan is usually December or January.


17. Where did you have your hair [   ]?


18. A: Could you run over to the store? We need a few things. B: [   ] What do you want me to get? A: Well, could you pick up some sugar and a few oranges?


19. [   ] working part-time at a fast-food restaurant, Monty has made enough money to pay for his studies.


20. You don't want to go to the party, [   ]? You look very sleepy.


21. I didn’t believe [   ] Jeffrey said, [   ] annoyed him very much.


22. A: Can you recommend to me an English tutor? B: Sure. Mr. Johnson is a very good one. A: Where does he live? B: [   ]


23. The kidnap turned out to be a [   ], which had been contrived by the hostage himself.


24. No matter what the [   ] will be like tomorrow, I’ll go fishing.


25. A: Why did you feed that kitty? B:There is nothing [   ] a homeless cat.


26. The government should take measures to control the growing [   ]. Food prices have gone up sharply recently.


27. If Judy [   ] so shy, she might have spoken to the man that she liked so much.


28. The [   ] of calcium may cause osteoporosis, and the patients may get bone fractures easily.


29. Lucy is a member of the drama club. Her dream is to become an [   ] or a singer.


30. At first I didn’t find her annoying, but after a while her behavior began to [   ] me.


31. It's getting late. Let's [   ].


32. The representatives, with cigarettes in their hands, [   ] over a few details when suddenly smoke detector set off the fire alarm.


33. As __ as it had started, the rain stopped and the sun came out from the blue sky. 


34. This handmade car sold for a million dollars because it was [   ].


35. Do you think it good for students to be absolutely [   ] without making any objections in any case?


36. The FDA planned to grant [   ] to clinical trial testing the use of the new drug.


37. A lot of debris [   ] at the site of explosion for quite a while.


38. Oscar doesn’t like to watch baseball games. [   ] does his twin brother.


39. My brother's [   ] is to become a doctor; but he'll need to study hard to get into medical school.


40. Due to the winter storm, hundreds of flights were [   ] and many passengers had to stay in airports.


41. 《Woman》: May I speak to Mr. Smith? 《Man》: [   ]《Woman》: Never mind. I will call him again later this afternoon.


42. I like all [   ] of music—pop music, country music, jazz and so on.


43. My mother always says we should think things through before [   ] anything.


44. Academic performance should not be [   ] purely by examination results, which concern only a limited aspect of learning.


45. John doesn’t speak French, and [   ].


46. Jack [   ] to help clean the classroom after school. Everybody is surprised because he is usually very lazy.


47. There is a risk that the longer people put off their work, [   ] it will eventually get done.


48. [   ] everyone else was studying hard for the midterm, Jimmy was reading comic strips to kill the time.


49. The search engine gives the user easy [   ] to the required information.


50. A: Is this film good to watch?B: Yes, it is.    . It’s so moving.