The computer was one of the greatest______ in the 20th century.
13.Not until I was a senior student_________the importance of English.
12.There is__________in what you say; I will take your advice.
11.—I passed my driving test at the first_________. —Congratulations!
10.The man_________at the meeting yesterday will be our new manager.
9.—What’s the matter? —She caught________bad cold and had to stay inbed.