Field work is actually doing the job or job experience in a scientific field. If I am a biologist then an example of field work is going to a forest and studying a certain type of flowers.

Yes

The membrane free single-chamber air cathode MFCs were constructed, its effective liquid volume WAS about 10mL, electrode spacing WAS 2cm, and electrode areas of cathode and anode were both 3.14cm2.

I have always thought you were an excellent student. I have always thought you were an excellent student since the beginning.

Isnt. is short for instant. In this case it means the 15th day of the current month. Honestly, I had never heard of this definition before I looked it up just now. It is a very old way of speech and very very uncommon today. Source: http://www.thefreedictionary.com/instant

New Year

Merry Christmas and a happy New Year. I wish you happiness, luck and health. May all your dreams come true!

 

 

 

 

 

Great Job!

http://en.wikipedia.org/wiki/Huevos_divorciados

D (all) is probably the one you are looking for. I think A technically could be correct but I think there are better ways of saying that a different way. D would be the answer if you're trying to emphasize the distance he travelled.