(50)
A.succeed
B.success
C.successful
D.successfully

A.curious
B.receptionist
C.unique
D.achieve

(47)
A.off
B.to
C.away
D.from

(49)
A.best-sell
B.best-sold
C.best-selling
D.best-to- sell

He left school after taking O-levels because ______
A.he did not enjoy school.
B.he wanted to work with computers and staying at school did not help him.
C.he was afraid of getting too old to start computing.
D.he wanted to earn a lot of money.

David's greatest problem is _____
A.making the banks treat him as an adult.
B.inventing computer games.
C.spending his salary.
D.learning to drive.

Why is David different from other young people at his age?
A.He earns an extremely high salary.
B.He is unemployed.
C.He does not go out much.
D.He lives at home with his parents.

A.presidential
B.foundation
C.confidential
D.recreation

In (A) my opinion, the new foreign (B) coach does his job relative (C) well (D).
A.In
B.foreign
C.relative
D.well

A.material
B.emission
C.optical
D.conjunction