The reason why telecommuting has not become popular is that the employees ___________ .
A.feel that a work area in their home is away from the office.
B.are worried about the promotion if they are not seen at the office.
C.are ignorant of telecommuting.
D.need regular interaction with their families.

(27)
A.another
B.every
C.other
D.whole

(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