1. Our teacher always tells us that knowledge should be [   ] through years, not gained in one day.


2. Many couples wanted a divorce but could not have one because their case was not covered by any __. 


3. [   ] you encounter any problems regarding the new system, please notify the tech support ASAP.


4. Benson [   ] his back when he fell off the tree.


5. Janet put forward the proposal that the program __ until Mr. Brian Reynolds came back from abroad. 


6. Please do not hesitate [   ] me if you have any questions.


7. Parents should have [   ] rules for their children. These rules should not change according to parents’ mood.


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


9. [   ] the lobbying groups been backing up the new protocol, but several industry labor unions are now voicing their stern support for it.


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


11. Seasonal flu vaccinations began yesterday, leading to long lines at hospitals and health centers [   ] the island.


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


13. What [   ] at noon yesterday? I called but couldn’t get hold of you.


14. It is reported that there’s [   ] tension between the refugees and the local population in Pakistan.


15. The original model has been ____ and replaced by the new one. 


16. 《Lily》: I heard you’re moving to New York. 《Brian》: Yes. I’ve got an offer in upstate New York. 《Lily》: Oh, that’s great! But I’m going to miss you. 《Brian》: Me, too. [   ]


17. The window [   ] by my little brother yesterday.


18. Time [   ] quickly, so you’ll need to use it wisely.


19. [   ] the cockroach when she screamed and stomped her feet furiously.


20. Students must study hard, [   ] they will fail the test.


21. Many couples wanted a divorce but could not have one because their case was not covered by any [   ].


22. After many years of moving, Daniel finally found a [   ] home in the Dublin suburbs.


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


24. All branch stores are required to fill out the ____ report to check if there is enough merchandise on shelf and in stock. 


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


26. John [   ] broke his glasses while playing basketball with his classmates. He should have been more careful.


27. I am very thirsty. May I have some more [   ]?


28. Many ads use our __—like fear or love—to persuade us that we need the product. 


29. When there is no [   ], you had better compromise; otherwise, you might be caught at a deadlock.


30. The [   ] of food in this world is unequal. Some suffer from hunger in many areas such as in Africa.


31. That old man has no family, so he sometimes gets very, very [   ].


32. I sent an email to the CEO of this company last week but have not received any [   ] yet.


33. Don’t buy me a whole cake. A __ will be enough. 


34. Las Vegas is a tourist [   ]. It's a must-go place for visitors who go to the U.S. for vacation.


35. Many young people today are [   ] with fashion and style. They care more about what they wear than what they think or believe.


36. [   ] she told me I was her good friend, she never talked to me about her problems.


37. Tom’s desk was so [   ] with papers that it was hard to find anything.


38. We can find almost all the information we need [   ] surfing the Internet.


39. When the pop idol came to Taiwan, swarms of fans crowded the street outside the hotel, waiting for a [   ] of their hero.


40. When we receive text messages of promotions from a company, we must be [   ] of possible false advertisement out of which the company wants to make profit.


41. All of my friends were opposed [   ] a party without Mary and John.


42. What is an instrument which is used to see things far away?


43. [   ] speaking, you don’t look nice in that sweater. The stripes on it make you look fat.


44. I don’t know [   ]. Why not call and ask him in person?


45. This contract is __ approval by both parties involved. 


46. Library users will be fined for returning books after the [   ] date.


47. I like this movie very much. I have seen it [   ].


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


49. [   ], I cannot agree with him on the matter.


50. The audience enthusiastically [   ] the pianist on her amazing performance.