234. After the 1911 Revolution, China began to use the Gregorian calendar (solar calendar) and at the same we have also used the lunar calendar(阴历) in which a leap year (闰年)______ every four years.
. There is no doubt that being good at communicating is a great_________, especially when you are looking for a job.
The winning of hosting ______ 2010 World Expo is ______ victory not only for Shanghai residents, but for the people of the whole Chinese nation.
.Never before______ so highly successful in his attempts to forecast the weather accurately on a small scale.
.__________, we would not have achieved so much.
How long___ stay with the company depends on___we’re satisfied with each other.