He has stayed there for _________,but ________he likes to stay at home.
—Please say something about Zheng He.—Oh! He is the Ming dynasty explorer of ______ all the Chinese are proud.
The People’s Republic of China was ______ on October 1st, 1949.
do you write to your pen-friend?— Once a week.
It was late _______the night of october20,1999.
“We _____ go to see a film. We'll go to see a new film _____ next week.