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China's population is expected to increase to about 1.5 billion in 2040, ______it will start to decline slowly.

—Flora has made much progress these days.
—        , and ___________.

The news _______ Li Jianrou won the first gold medal for China in the Sochi Olympics was reported in yesterday’s newspaper.

When _______how a statue from distant Greece could have appeared in China, researchers explained that no doubt this was a result of Alexander the Great’s influence.

His teacher told him that since his parents were working abroad, either his grandparents or one of his uncles ______ allowed to come to the parents’ meeting .

---It is known to all that this factory pours lots of waste water into the Changjiang River every year.
---- _________ near my hometown.

He didn’t attend the meeting last night, _________ he doesn’t know our plan for the picnic.

The number of people present at the meeting _______ two hundred and a number of them _______ from the countryside.

Busy _______ he was, he managed to spare some time to help plan the project.

It’s wise to find a place to travel ______ has a lot to present but hasn’t yet been hit by high price of admission as well as mass popularity．