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China’s population is expected to increase to about 1.5 billion in 2040, _____ it will start to decline slowly.

The hurricane and the damage ___________ caused have done much harm to the United States.

In English class, our teacher often creates an environment _____________ we are given the opportunity to solve problems ourselves.

The time is not far away ___ modern communication will become widespread in China’s vast countryside.

It was July 24th when he arrived in London, ______ the 30th Olympic Games would be declared open 3 days later.  

Mr. Mike, in ______ supermarket we bought an ipad last week, will give us a report on management this evening.

Dorothy was always speaking highly of her role in the play, ________,of course , made the others unhappy.

The old lady likes to spend time indoors, ____ she can comfortably watch television and read newspapers.

Between the two periods of classes is a break, _______ we can have a short rest.

For many cities in the world, there is no room to spread out further, _____ New York is an example.