Choose the best option A, B, C or D to complete each of the sentences from 21 to 39.
In some countries, on moral ______ that education should not be taxed, there is no tax on books.
A.idea
B.principle
C.reason
D.concept

Choose the best option A, B, C or D to complete each of the sentences from 21 to 39.
There are ten pieces of fruit in my basket. One is an orange, one is a grape and ______ is an apple.
A.others
B.the other
C. the others
D.another

Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.

A.imagines
B.motorbikes
C.cultures
D.involves

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
All nations may have to make fundamental changes in their economic, political, and the technological institutions if they are to preserve environment.
A.have to make
B.changes
C.the technological institutions
D.to preserve

Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.
During the five-decade history the Asian Games have been advancing in all aspects.
A.holding toB. holding backC. holding atD. holding by
B.holding back
C.holding at
D.holding by

Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.
I have a modest little glass fish tank where I keep a variety of small fish.
A.moderate
B.limited
C.conceited
D.excessive

Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.
Engineers are still trying to come up with a commercially viable replacement for internal-combustion engines.
A.feasible
B.accessible 
C.desirable 
D.derivable

Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.
Adverse reviews in the New York press may greatly change the prospects of a new Broadway production.
A.subversive
B.additional
C.encouraging
D.unfavorable

Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.
Whenever problems come up, we discuss them frankly and find solutions quickly.
A.arrive
B.clean
C.encounter
D.happen

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
At least three-quarters of that book on famous Americans are about people who lived in the nineteenth century.
A.three-quarters
B.famous 
C.are 
D.lived