27. Should it rain, the crops ____. 

45. Which of the following statements is the best according to the passage?

40. What solutions does Tiffany Smith suggest for people?

10.

(  )15. The customs officer believed his story finally after the letter was shown by the man. 

21. Few people ____ applied for the position meet the requirements of the company.

23. All computer systems contain hardware components for input, central processing unit and output, ____ how powerful they are.

(  )52. When shopping, it is better to bring the ads with you because some items may actually not be on sale.

20. Mr. Johnson suggested ____ before details are discussed.

47. According to the passage, what can a magazine tell you in decorating rooms?It tells us some important ________, such as where to get the furniture and the style of furniture.

9.

34. You ought not to ____ your thoughts on others.