50. They have no ______ of the help.
A. expect B. expectation C. expectancy D. expectorate
51. Do you feel _____ when taking a test?
A. nervous B. nerve C. nerveless D. nervy
52. Paper that _____ ink is called blotting paper.
A. absorb B. absorbs C. absorbed D. absorbent
53. The scientists have invented a special chemical that attaches itself ______ to cancer cells.
A. prefer B. preference C. preferential D. preferentially
54. _______ is very important in doing mathematical exercises.
A. Precise B. Precisely C. Precising D. Precision
55. The workers chose Mr. Pike their _______.
A. represent B. representative C. represents D. representation
56. Jack London wrote several ______ novels on adventure.
A. interesting B. interested C. interest D. interestingly
57. She is _____ with her present job.
A. satisfy B. satisfied C. satisfaction D. satisfactory
58. They are my _____ friends.
A. intimate B. intimacy C. intimates D. intimation
59. It takes one a long time to become an ______ pianist.
A. accomplish B. accomplished C. accomplishment D. accomplishing
60. The young usually do things _______.
A. enthusiasm B. enthusiast C. enthusiastic D. enthusiastically
61. The industrial ______ has made many changes in our country.
A. develop B. developing C. developer D. development