The famous researchers. Prespositions. Fill in the blanks with the right preposition. - engbook.eu - kursy angielskiego, ćwiczenia, gramatyka, słownictwo, matura

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1.	American Neil Armstrong became the first man walk on the Moon
2.	Sir Alexander Fleming was a prominent researcher discovered penicillin.
3.	The first great invention developed Edison in Menlo Park was the tin foil phonograph.
4.	The laboratory's research group created a model the bacterium's cell wall
5.	Mary Anderson patented the windshield wipers in 1905.
6.	Maria Mayer is famous her work on the shell structure of the atom.