Поставьте вопросы к данным предложениям, начиная с вопросительного слова в скобках. 1. His brother graduated from the Institute 2 years ago. (when). 2. They will equip the laboratory with the apparatus . (what). 3. For a year foreign specialists were studyind Russian experience in chemical industry. (How long). 4. He has refused to do this work because he has no time now. (Why). 5. His friend learns Frensh at the Institute. (Who)