1. It is [_____] that a foreigner can speak Mandarin so fluently.


2. In the past, high school students were not allowed [____] their hair.


3. [____] more manpower and fund, we'll complete the task within two months.


4. If I [____] you were sick, I would have given you a leave of absence.


5. A: I came across my old classmate in town yesterday.B: _____


6. He was to my left, seated, since he couldn’t stand up for the hour his talk [____] last.


7. Every staff member in the post office must know that a good service [____] toward customers is important.


8. A: You are so busy. [____]B:Thank you for your kindness. Can you please type this letter for me?


9. I can’t ride my bicycle [____] there isn’t any air in one of the tires.


10. As the bus rolled into her hometown, Liz looked around at the familiar streets and shops that she [____] for two years.


11. These magnificent buildings date back to the period of Japanese_____.


12. A [____] room or seat is being kept for someone rather than given or sold to someone else.


13. Nowadays, [____] is a much better and wiser means than military force to solve differences or problems between nations.


14. The president of the United States can only serve two [____] of four years each.


15. Many people stood in long lines to see the _____ of stamps at the museum.


16. A: Sir, I want to open a time deposit account.B: _____A: One year.B: OK. Please fill in this signature card first.


17. There is a clear [____] that the defendant committed the murder of the rich old man.


18. Michelle often reviews research papers for one of the top journals in [____] genetics.


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


20. Middle children often feel less important than their older or younger [____].


21. A: What's the matter? You look as white as a sheet!B:[____]A:Maybe you should go to the doctor right away.


22. I need some [____] for taking buses around town.


23. The two companies signed a document to strengthen [____] business relations.


24. The janitor is [____] for taking care of the office.


25. The newly published book written by the former president contains many [____] issues on public policy and has aroused public argument and disapproval.


26. My boss is very [____]; he keeps asking us to complete assigned tasks within the limited time span.


27. The recent decline in stock markets has led to greater _____ in inexpensive goods.


28. You owe me a/an [____] for not giving me a helping hand when needed.


29. Our company has been on a very tight [____] since 2008.


30. Only when you’re well-prepared will you be able to make the best use of every [____] for success when it comes.


31. I shall buy you a bracelet watch _____ condition that you promise to behave yourself. 


32. My bookshelves were destroyed in the flood. I need to find a [____] to fix them.


33. Although the unemployment rate reached an all-time high in mid-2009, it has fallen for four [____] months by December.


34. It's getting late. Let's [____].


35. We are not happy _____ the result.


36. A: “Excuse me. May I come in?”B:[____]


37. Linda is an [____] friend of mine; there is no secret between us, and we always share our happiness and sorrow.


38. A: Why is your coat so wet?B: It was [____] when I arrived.


39. A:“I’m afraid I don’t have time to meet you today.”B:[____]


40. I [_____] my high school classmate in a department store yesterday.


41. The police have suspected him of involvement in the suicide bombing but there is no [____] evidence to arrest him.


42. Even the typhoon is [_____], the flight still takes off on time.


43. You look [____] to me. I must have met you somewhere before.


44. A: “Are you ready to order?”B:[____]


45. A: You can keep the change.B:[____]


46. A:What color of dress should I choose for the ceremony?B:_____________ 


47. The hiking route of the Shitoushan Trail is not [____] and so is suitable for most people, including the elderly and young children.


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


49. [_____] by the terrible scene, she couldn’t move at all.


50. After the summit meeting, both sides agreed to _____ fire so that the peace talks could go on.