1. A computer program can provide information     ways that force students to participate in learning instead of being merely recipients of knowledge.

2.     I reached the front porch when it started pouring.

3. In June,     Snowden was dominating the headlines, this cybersecurity company quickly raised an additional $3.5 million.

4. The leaves     as the wind blew.

5. One common cause of Osteoporosis, or thinning bones, is the     of nutrients such as calcium and Vitamin D.

6. I have waited in front of this store for 2 hours     my friends finally show up.

7. Although I am racking my    , I just can’t think of the password.

8. Although the manager apologized many times for his poor decision, there was nothing he could do to     his mistake.

9. My uncle has a big beautiful house, which has twenty rooms crowded with delicate    .

10. Marison was a scientist of unusual insight and imagination who had startling success     discerning new and fundamental principles well in advance of their general recognition.

11. Remember when you travel, you have to weigh carefully what you will bring with you and what you will    .

12. I have trouble seeing the sign ahead clearly now because lots of dust is     in the sky.

13. The lectures have been published in book form     numerous requests.

14. Typhoon Soudelor     across Taiwan and made great damage this August.

15. The Sunshine Non-Profit Foundation tried to persuade people not to     this store until it agreed to hire capable people with physical disabilities.

16. Everyone in the department is supposed to     suggestions for the project.

17. Alcohol and drugs have     effect on young people.

18. Some doctors have been criticized for being insensitive; they seem to be     the suffering of their patients.

19. Every year, Brazil exports large amounts of agricultural     such as grain and corn to other countries.

20. After her first Harry Potter book was published, Rowling went from a common housewife to a world-famous literary     practically overnight.

21. Did you     Japan for pleasure or on business?

22. Since George scored high on TOEFL, he will     at Columbia this fall.

23. The influence of the financial tsunami in 2008 was tremendous. The stock markets tumbled    .

24. John works very hard     get promotion.

25. Writers usually     an ending chapter for a long time.

26. The spellings of many Old English words have been preserved in the living language,     their pronunciations have changed.

27. The rope was getting loose, so she tried to     the rope by pulling on it.

28. The Greeks are     Germans and others to help them out.

29. Taiwan orchid producers have successfully mastered their art to the point that they now enjoy a     lead in the floricultural industry.

30. If John     satisfied with his TOEIC score, he wouldn’t be taking it again.

31. While some bacteria are beneficial, others are     in that they cause disease.

32. We were asked by our tour guide on the shuttle bus from the airport to the resort to remain     until we reached our destination.

33. Having experienced many failures, Jackson starts to fear     the future holds for him.

34. Although we are spending a lot now, the new system will save us more money    .

35. Salt and sugar are usually used to     food.

36.     exposure to sunlight is one of the most common causes of skin cancer.

37. The pilot asked the passengers to     because they were flying through a storm.

38. In February, China’s monthly box office receipts actually surpassed     in the U. S.

39. Unfortunately, his     attacks on the ramifications of the economic policy have been undermined by his wholehearted acceptance of that policy's underlying assumptions.

40. To prevent students from parking in the parking area assigned for faculty members, the school administration     a new regulation.

41. Ebola virus continued to spread, with a new case     in Senegal.

42. Y.C. Wang passed away in 2008 at the age of 91 as a business     with few rivals in Taiwan.

43. If all the manufacturers can     during this financial crisis, the economy may get better next quarter.

44. I enjoy reading Harry Potter series as the story plot is really creative and    .

45. I was as     as I could be, but I still ended up several thousand dollars in debt.

46. Playing sports in school     meant to teach teamwork and leadership skills students can use later in life.

47. They will be     their behavior, whether they accept the responsibility or not.

48. If the hotel     to withstand an earthquake, it would not have collapsed.

49. The banks complained that they     adequate notice regarding this new monetary policy.

50. When taking a drug for a while, some patients would gradually develop a     for it and need to be given a larger dose.