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Article

Posted: Tue Jun 18, 2013 5:28 am
by Rustamsher
Coal gas is formed by burning coal; it is … gas used for heating and illuminating.

(a) a
(b) the
(c) -
(d) some

This test seems to be quite difficult for me. Could you please help me to put a correct article?

Thanks...

Re: Article

Posted: Wed Jun 19, 2013 3:29 am
by Alan
All are possible except D.
B is the most natural choice.