Find a synonym (1-4) and an antonym (5-8)

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VIII. Find a synonym (1-4) and an antonym (5-8)
1. The shop assistant was totally bewildered by the customer's behavior.
A. disgusted
B. puzzled
C. angry
2. In an interview, you should concentrate on what the interviewer asks you.
A. show interest in
B. relate to
C. pay attention to
3. Fresh water and air are very necessary for every living thing.
A. essential
B. available
4. How many countries took part in the last Olympic Games?
A. succeeded
B. performed
5. Because Jack defaulted on
A. failed to pay
C. optional
C. hosted
his loan, the bank took him to court.
B. paid in full
C. behaved well
6. His career in the illicit drug trade ended with the police raid this morning.
A. intimate
B. irregular
C. secret
same, but there may be some minor changes.
B. sudden
C. gradual
7. Basically, everything is the
A. big
8. Steam engines have been replaced by more economical devices.
A. infrequent
B. insignificant
C. inefficient
D. upset
D. impress on
D. various
D. participated
D. paid too much
D. legal
D. small
es
D. uninteresting