Our teacher knows several foreign languages. — Does our teacher know several foreign languages… -How many foreign languages does our teacher know… -Our teacher knows several foreign languages, doesn't she (he) … -Who know several foreign languages (вопрос к подлежащему) 2. He has graduated from University last year. — предложение изначально неправильно: не может настоящее время (has graduated — Present Perfect — употребляться со словом, указывающим на прошлое — last year — в прошлом году!) 3. We shall go to London next week. — Shall we go to London next week… -Where shall we go next week… -We shall go to London next week, shan't we… -Who will go to London next week … 4.They are working in the garden. — Are they working in the garden… -Where are they working… -They are working in the garden, aren't they… -Who is working in the garden… 5. I have just read this book. — Have I just read this book… -What have I just read… -I have just read this book, haven't I… -Who has just read this book… .6. I took this book from my friend. — Did I take this book from my friend… -What did I take from my friend… -I took this book from my friend, didn't I… -Who took this book from my friend… .7. He likes reading bookS (a book) — Does he like reading books… -What does he like doing… -He likes reading books, doesn't he… -WHo likes reading books… 8. She has many relatives abroad. — Has she many relatives abroad… -Where has she many relatives… .-She has many relatives abroad, hasn't she… .-Who has many relatives abroad… 9. They were in many countries.- Were they in many countries… -How many countries were they in… -They were in many countries, weren't they… .-Who was in many countries… 10. Russia is the largest country in the word. — Is Russia the largest country in the world… -What is the largest country in the world… .-Russia is the largest country in the world, isn't it…