Высокомолекулярные природные соединения (белки, нуклеиновые кислоты, углеводы), определяющие важнейшие процессы жизнедеятельности

6) yesterday I could not find my learn book.

5) some years pupils wore school uniform

2) what was happened?

1) My grandmother left us last week,2) What happened?,3) Mark the correct answers to all questions,4) We bought yesterday a funny parrot,5) A few years ago, students wore school uniforms,6) I could not find my last tutorial. Все!