(47) _____
A.noticeable
B.visual
C.optical
D.obvious

(48) _____
A.helpful
B.essential
C.probable
D.successful

People believe new changes in the economy are ________ to take place.
A.bound
B.coming
C.gone
D.like

” George was in town last week.” ----“ ________ , we would have called her.
A.Had we known
B.We had known
C.If we had known
D.If we did know

Police are reported ________ found illegal drugs in a secret hiding place in the star’s home.
A.they have
B.having
C.to have
D.have had

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Books are still a cheap _______ to get knowledge and entertainment.
A.means
B.way
C.method
D.measure

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Fire engines and ambulances have _______ over other traffic.
A.prior
B.priority
C.before
D.precedence

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
The trouble with James is that he never ______ on time for a meeting.
A.turns down
B.takes up
C.takes off
D.turns up

George is not enough intelligent to pass this economics class without help.
A.enough intelligent
B.to pass
C.economics
D.help

Some snakes have hollow teeth they are called fans that they use to poison their victims.
A.Some
B.they are called
C.use
D.their