23. Mr. Smith is a taxi driver. He started his job when he was 25.
A. Mr. Smith has been working as a taxi driver when he was 25.
B. Mr. Smith has been working as a taxi driver since he was 25.
C. Mr. Smith worked as a taxi driver 25 years ago.
D. Mr. Smith has started working as a taxi 25 years ago.
VII. 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.
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