1. 《Susan》: I'm going to Tokyo on vacation next week. 《Alice》: Oh, how nice! [   ] 《Susan》: Thanks a lot.


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


3. The freeway is now __ to motorists after it was blocked off by a huge landslide yesterday. 


4. [   ], they would not have solved their financial problem.


5. By that time the theater was already [   ], so we had to buy tickets for the next day.


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


7. We could have gone swimming if the weather [   ] warm and sunny.


8. English is important in Taiwan, [   ] for business people.


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


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


11. Since the typhoon, the basement has been filled with water. We have to [   ] it as soon as possible. Otherwise, waterborne diseases might spread.


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


13. As the project depends on [   ] at the federal level, the city and county may have to wait until the budget cutting ends.


14. Under no circumstances [   ] accept his proposal of buying our factory.


15. Many runners aim to run like an [   ] .


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


17. The traffic accident resulted from the [   ] of the traffic laws.


18. The economy in that country is facing a severe slowdown and possibly a __ in the next few years. 


19. Tina plans to [   ] children in a remote school in the mountains after college.


20. Although the farmers had to work in the mud, they were all pleased, [   ] the rain had come in the nick of time.


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


22. Don’t buy me a whole cake. A [   ] will be enough.


23. You should live within your income. Otherwise, you won’t be able to earn enough money to [   ].


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


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


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


27. The washing machine is not working properly. I have to get it [   ].


28. My brother is very [   ]; he won’t give up easily.


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


30. We have been [   ] of the law firm for many years and are satisfied with the legal services provided.


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


32. Sara felt [   ] tired [   ] exercise yesterday.


33. Parents with [   ] daughters and sons can bring up the problems they had with their 13 to 18 year-old children at the meeting next week.


34. No city, Tel Aviv or Jerusalem [   ], is home to more Jewish people than New York.


35. I received a written [   ] from the student who bullied his classmates last week. He said he was very sorry about what he did.


36. 《Doris》: Did you sleep well last night? 《Jennifer》:No, I had an awful night. [   ] in the middle of the night, and couldn't get back to sleep.


37. The average was down [   ], went briefly into the black around lunchtime, then ended with a loss of 139.


38. After eleven o’clock in the evening, the bus is empty [   ] the driver and the conductor.


39. Acid rain causes the ground to release [   ] substances; plants and trees are thus slowly poisoned.


40. After [   ] his homework, he decides to go out for a break.


41. To have her own clothing store, Jane borrowed money from family members to get her business [   ].


42. Snow [   ] more solar radiation than liquid water. Therefore, don’t forget to protect your eyes when you go skiing.


43. 《Martin》: I did terribly at the math exam. I don’t think I will pass. 《James》: [   ] You’ve spent too much time playing the computer games lately.


44.     the CEO walked into the conference room, all department managers became very nervous. 


45. The knife isn’t useful because its [   ] is dull.


46. My son is [   ] of the dark, so he never walks out of the house after sunset.


47. Let’s __ jump to the conclusion, okay? 


48. We should work together [   ].


49. George Washington [   ] his father’s cherry-tree.


50. The total number of the [   ] people in that remote area is decreasing.