When the food in the hotel where we are staying , what should we do?

Up to now,I haven’t got any idea ____ we should go on with the project. [ ]

The new CEO asked that all inter-office communications ______ in writing rather than in person, ______ possible.

________ is known to us all is that the 16th Asian Games will be held in Guangzhou in 2010

Tom hardly had time for concerts at that time, ________？