The U.S. President Barack Obama arrived in China’s economic center Shanghai on Sunday nightof November 15th 2009, ______a state visit to China.[ ]

________ full marks, but he was so careless as to make a spelling mistake.

0 years yesterday–No, it was cloudy above my city at thattime

Excuse me, would you please show me the way to the shop——I’m sorry, I’m new here, you may ask the policeman over there.

They wanted to charge $6,000 for the house, ____ we managed to bring the price down