Упражнение 20
1. The professor didn't ask many questions at the seminar. На семинаре профессор не задавал много вопросов.
2. I didn't get many text-books from the library. В библиотеке я не получил много книг.
3. I didn't enter the institute last year. В прошлом году я не поступил в институт.
4. We shall not help him with his studies. Нам не следует помогать ему с учебой.
5. He doesn't know Human Anatomy well. Он плохо знает человеческую анатомию.
Упражнение 21
1. Do the bones belong to the skeleton of the body?
2. Did naturalists divide all animals into 2 classes?
3. Will the first-year students study the structure of the human body this year?
4. Do the bones of the trunk include the spinal column, the ribs and the breastbone?
В упражнении 22 задание совсем не разобрать, скорее всего оно неполное.