— Four dollars a pair? I think it’s a bit too much.— If you buy three pairs, the price for each will to three fifty.
Once air pollution in most cities, it is hard .
Only when possible to settle the problem.
Since there is no such thing as a free lunch in the world, one million people of the city decided to build their home by themselves.
____ is known to us all is that the 2008 Olympic Games will take place in Beijing.
I found many people ________ on the benches at the end of the day,chatting.