—I’m sorry I stepped outside for a smoke. I was very tired. —There is no______ for this while you are on duty. 

Jade is the highest award in Chinese culture and medals are the most important prize in Olympics, so medals with jade is the perfect _________ to present the Olympics in Beijing.

 There existed an obvious________ between the accounts of the witnesses, so a judgment was not announced in court.

—Can you hit that bird with your gun, Tom?—No！It is out of the ________of my gun.

The officer insisted that Michael did not follow the correct ________ in applying for a visa.