Ответы
Task 1. 1) Not many houses are built in our town every year. 2) The rule explained by the teacher at the last lesson was understood by all of us. 3) A lot of interesting games are played at our PT lessons. 4) The book was discussed at the last conference. 5) Hockey is played in winter. 6) Yesterday he was told to prepare a speech. 7) Flowers are sold in shops and in the streets. 8) The article was published last week.
Task 2. 1) If I wake up late, I will be late for work. 2) If my brother cooks, he will burn the food. 3) If people eat too many sweets, they will get fat. 4) If she smokes, she will get yellow fingers. 5) If you heat ice, it will melt.
Task 3. The book of this author is very popular.
1) Is the book of this author very popular? (общий вопрос)
2) The book of this author is very popular, isn't it? (разделительный вопрос)
3) What is very popular? (специальный вопрос)
4) Is the book of this author very popular or unknown? (альтернативный вопрос)