We know a good deal about the people who lived in China 4, 000 years ago, because they ______write and leave written records for those who lived after them.
The house rent is expensive.I’ve got about half the space I had at home and I’m paying________here.
John hadn’t been able to stop smoking suddenly;he had to control his smoking desire ________.
—Why does this country need so many exports from abroad? —Because it has ________large population,________its poor natural resources.
Father and mother wanted to go for a ride,and ________,the children wanted to stay at home and play with their friends.
Though I am improving in my study,I still have a long way to go ________ some of my classmates.