10. Use the right prepositions ON or IN10. Use the right prepositions on or in.

1. books_____the history of Russia
3.an article_____the new discoveries
4.good marks_____English
5.notes_____the life of Indians
6.an examination_____Mathematics

  • 1. books on the history of Russia
    2. lessons on Chemistry (можно in)
    3. an article on the new discoveries
    4. good marks in English
    5. notes on the life of Indians
    6. an examination in Mathematics

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