Though Mandela﹙曼德拉﹚____27 years in prison﹙监狱﹚, he thought it meaningful.
—Would you mind moving the desk? — . I will do it right away.
-Can you see ? -No. Let’s go and have a look. Maybe we can help them.
—The accident was really terrible. —Yes, it was. The young man on the bicycle was too .
—To make our city more beautiful, rubbish into the river. —I agree.
—How long have you known the doctor ? — he helped me three years ago.