The Chinese abacus(算盘), officially ______ as a cultural heritage at the 8th Annual UNESCO World Heritage Congress, is another symbol of Chinese wisdom.
—Could I ask you a rather personal question?—Sure, __________.
People try to avoid public transportation delays by using their own cars, and this __________ creates further problems.
The __________ look on his face showed that he hadn't expected it.
You didn't use to like him much when we were at school, __________?
Much to my __________, most of the people __________ to the party were old friends.