(29)
A.aims
B.causes
C.purposes
D.reasons

(30)
A.analysis
B.attempt
C.experiment
D.event

(32)
A.discovery
B.education
C.experiment
D.research

How many Americans are involved in telecommuting ?
A.More than predicted in Business Week.
B.More than 8 million.
C.Fewer than last year.
D.Fewer than estimated in USA Today.

(33)
A.present
B.gift
C.prize
D.reward

(34)
A.At
B.In
C.On
D.For

III. Choose the answer A, B, C or D to complete sentences.
My sister her laptop serviced last weekend.
A.did
B.got
C.made
D.took

When I was a child, I _______go to the zoo with my mother on Sundays.
A.was used to
B.was used for
C.used to
D.used for

"Why are you driving so fast?" - "I‘m________
A.must be hurry
B.in hurry
C.in a hurry
D.hurrying

IV. Mark the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following questions.
According to the futurist Ray Kurzweil, humans (A) could have tiny (B) computerized machines or nanobots (C) invent (D) thanks to future medical advances.
A.could
B.computerized
C.invent
D.thanks to