. -How do you come to school?-By bike. Taking a bus may _______ much money. And walking _______ too much time.
—How do you study a test? —I study working a group.
What the forest of the USA in the last 350 years?
In order to eat safely, I think we make some food by ourselves instead of buying some.
After hard training for a long time, Liu Xiang the records again.
If all business goes paperless, at least one million tons of paper will be a year.