The scientist ______ discovered penicillin changed medicine forever., who, which, where, whose, The invention ______ changed communication the most is the internet., who, where, that, The person ______ ideas changed the world is still remembered today., who, whose, The year ______ humans first walked on the Moon changed history., where, which, when, The company ______ developed the first smartphones changed modern life., who, that, whose, The organisation ______work supports education in poor countries is very important., whose, who, where, The place ______ important scientific discoveries are made is often a laboratory., which, when, where, The technology ______ helps people communicate instantly is used worldwide, whose, that, when.

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