As is known to us, theory is based on practice and servers practice. A. by chance B. in turn C. in return C. by turn
It is one of the funniest things ______on the Internet so far this year.
We were going out for a Christmas meal together ______ the accident happened.
The poor woman goes to ______prison once a year to see her husband who is in______prison.
You have no idea how she finished the relay race ______her foot wounded so much.
The company is famous ______ selling lots of cheap books over the web.