on November 15, 2010 ______ a big fire happenedin Shanghai, ______ was a great shock to lots of people.

Are you willing to live in an age _____ 4G technology will bring about an information revolution

下列各句中，没有语病的一项是（ ）

The light in his office is still on. Do you know —In order to prepare for tomorrow’s meeting.

The new supermarket in our town _______ for two weeks, but I _______ there yet.