17 diciembre, 2016

3B articles: a / an, the, no article


3 the 4 – 5 – 6 the 7 – 8 The 9 – 10 an 11 – 12 an 13 – 14 – / – 15 the / – 16 a / –
17 – / – 18 an / the 19 a / a / The / the 20 – / –