Поставьте частицу ‘to’ перед глаголом в скобках, где необходимо: 1. They were supposed (know) German well. 2. I didn’t

1. They were supposed to know German well. 2. I didn’t expect her to marry him. 3. She was seen to cross the street and turn round the corner. 4. That is too heavy for one person to carry; let me help you. 5. He tried to make me believe that he was my stepbrother.