Choose the correct option.
Correct answer: B. He ought to speak French well. He lived in France for twenty years.
- A. He ought to speak French well. He lived there for twenty years.
- B. He ought to speak French well. He lived in France for twenty years.
- C. He ought to speak French well. He lived there since twenty years.
- D. He ought to speak French well. He has been living there for twenty years.
Explanation
This option is correct because it clearly specifies the location (France) where he lived for twenty years, making the sentence more precise and informative.
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Biotechnology in health care applies biological organisms, cells or enzymes to diagnose and treat disease. The subject includes recombinant DNA, genetically engineered insulin, vaccines, antibiotics, monoclonal antibodies, gene therapy and techniques such as polymerase chain reaction, while distinguishing therapeutic applications from agricultural and industrial biotechnology.
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