用适当的介词或副词填空
I received a nice big bag from my best friend on my birthday.
        return         his present, I gave him a beautiful tie.
Confucius was born         a confused and fighting period in China. Known         a great thinker and educator, he greatly influenced the development of China’s culture and education
Recently, because of the air pollution in the centre of the city, some people moved away       the centre and began to live in the new houses they bought         the city.
The city was          attack. A battleship was setting sail        it to give help.
He took      the company after his father retired.