1. A single bacteria, __ the right conditions, divides rapidly into colonies of billions in one day. 


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


3. I’m a grown man. Don’t talk to me [   ] I were a three-year-old kid.


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


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


6. I have fallen in love with a girl [   ] father is a famous writer.


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


8. [   ] are small stores that sell fashionable clothes, shoes, jewelry, etc.


9. The building collapsed, and only one person buried underground could [   ] survive the catastrophic earthquake.


10. According to the new tax laws, your tax will increase [   ] your income. The more money you make, the higher your tax is going to be.


11. Though it is too early to say whether the storm will make [   ] in Taiwan, it is predicted heavy rain for northern and eastern parts of the island over the coming days.


12. If a person doesn’t know a word, he or she should look it up in the [   ] in the back of the book.


13. The man spent so little time with his family [   ] his daughter didn’t even recognize him.


14. To prevent sewage from entering the waterways and protect public health, the city councilman strongly demanded that the sewage system ____ in three months. 


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


16. Do not forget your ticket! Only ticket-holders will be [   ] to the concert.


17. A: Are you excited about your first day of work? B: Of course. That’s my first job. A: How are you going to the office? B: [   ]


18. Peggy has a big advantage [   ] most girls when it comes to basketball because she’s so tall.


19. Peter always complains about the hot and [   ] weather in Taiwan. He misses the dry and cool seasons in Florida.


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


21. Jim is very [   ] and dynamic; he enjoys physical activities and you can seldom see him stay still for more than ten minutes.


22. Advertising is distinguished from other forms of communication __ the advertiser pays for the message to be delivered. 


23. Where did you have your hair [   ]?


24. The joke you told me really [   ].


25. What can you tell me about [   ] the subway in Tokyo?


26. He is a very conscientious professor. Never [   ] he let his students leave his classes earlier.


27. I want to see ____. 


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


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


30. This brand of detergent is your best choice because it [   ] the toughest stains and won’t fade colors or damage fabric.


31. Cultures [   ], so we sometimes need to adjust our behavior when we are in a new country.


32. I had planned on going out last night, but [   ] prevented it.


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


34. 《Tom》:I’m going to take a singing class. Do you want to take it with me? 《Penny》: [   ]《Tom》: Really? Sing a song for me now.


35. No city, Tel Aviv or Jerusalem __, is home to more Jewish people than New York. 


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


37. Newspapers are a good way to hear the news. [   ] TV news programs.


38. The athletes are getting in shape for the big [   ] next month.


39. Steve Jobs’ ____ mastery of technological innovations and aesthetics successfully transformed the landscape of consumer electronics industry. 


40. Simon is tall, but his brother is [   ] taller than him.


41. You [   ] your father the truth then. That way, he wouldn't be so angry with you now.


42. After eleven o’clock in the evening, the bus is empty __ the driver and the conductor. 


43. Group registrations are not allowed. Each member must register for the conference    . 


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


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


46. Remember to tie your cow [   ] the tree before you go there


47. The nurse supported the sick child because he was too weak [   ] by himself.


48. [   ] you get from the website [   ] correct.


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


50. Mrs. Lin told Jane that she had to clean up her room and empty the dishwasher before she could leave for the game. Jane promised her mom that she [   ].