1. Ms. Johnson was busy [   ] the house when the postman came.


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


3. My sister knows many passages from Shakespeare [   ]; she can memorize the details of his plays.


4. For the sake of health, many people have dramatically reduced the amount of red meat they [   ].


5. I don’t know [   ]of the people in this room. Can you introduce each of them to me?


6. The freeway is now [   ] to motorists after it was blocked off by a huge landslide yesterday.


7. [   ] the election is the question both political parties are asking.


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


9. The judge took pity [   ] the poor man.


10. Our boss [   ] the importance of our finishing the report over the weekend, since he wanted to discuss it at the meeting on Monday morning.


11. A fine will be     on the drivers who fail to pay their highway toll on time. 


12. The annual charity fundraising event is [   ] by several financial institutions in Taiwan.


13. Some plants have obvious distinctive features for us to tell them apart at the first sight, [   ].


14. Brian and Jerry are close friends [   ] their difference in age and religion.


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


16. The exterior of Tina's apartment has an exceptionally large [   ].


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


18. I went to the store [   ].


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


20. Soon after they were born, most babies will develop a daily [   ] of eating and sleeping.


21. You can’t master English overnight! Remember that speaking it well [   ] a lot of practice.


22. Before the final exam, our teacher taught us how to use our time [   ] while preparing for tests.


23. She can sing well and [   ]. That’s why her friends usually ask her to sing karaoke together.


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


25. Tom’s colleagues threw a [   ] party for him the day before he officially retired. They wanted to show how much they would miss him.


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


27. I [   ] out a document when my boss walked into the office.


28. A: You look awful. What’s wrong? B:I can’t sleep well these days. I still have nightmares about the car accident. It’s really scary to know that your life is still at risk even when you follow the traffic rules. A:I understand how you feel. All I can say is that [   ].


29. He was an [   ] player until 20 when he turned professional.


30. Sherlock Holmes [   ] smoke in the air and assumed the killer had not left for too long.


31. For many people, one of the joys of [   ] is the prospect of parenthood.


32. Kate lost her way while driving to River City. She [   ] her road map at home.


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


34. Foreign-trained employees have to __ their learned skill-sets to the local market. 


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


36. [   ] activity should be avoided after an operation.


37. I saw Mary a week ago. She said she [   ] me the next day, but she didn’t.


38. A:Why did Judy leave? B: [   ]


39. A 5-year-old child was lost in the [   ]. The forest made it hard to trace him down.


40. It is a [   ] of law to ride a motorcycle without wearing a helmet.


41. Please fill out the paperwork before [   ] in line.


42. All of [   ] have joined the on-the-job training.


43. 《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.


44. A lot of heavy smokers [   ] lung cancer every year.


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


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


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


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


49. No other girl in her class dances [   ] as she does.


50. I [   ] the floor when the earthquake occurred late last night.