Поставьте вопросы к следующим предложениям(общие,специальные,разделительные) : 1) our teacher knows several foreign languages. 2) he has graduated from university last year. 3) we shall go to london next week. 4) they are working in the garden. 5) i have just read this book. 6) i took this book from my friend. 7) russia is the largest country in the word.