I will never understand how it that you were an hour late on such a short journey.
A．came about B．came across C．came out D．came up with
About 270 million people in rural areas in China have no to safe drinking water.
A．entrance B．access C．solutions D．sources
I sooner but I didn’t know that they were waiting for me.
A．had come B．was coming C．would come D．would have come
is known to us all is that the 2012 Olympic Games will take place in London.
A．As B．What C．That D．It
Was it because of the heavy snowstorm in Europe the flight had to be put off?
A．which B．so C．why D．that
In no place of China little about the economic development nowadays.
A．the local government cares B．does the local government care
C．doesn’t the local government care D．cares the local government
