In human, there is a possibility of ____ such as fever and headaches if there is exposure to the virus. 

She knows that as a secretary she must be pleasant and helpful no matter how busy she is or what kind of ____ she may be in.

The news of the war brings little __________ of peace.

There is a 20 minute parking _____ here, so we must get back to the car very quickly.

Foreign trade, the ____ of goods between nations, takes place for many reasons.