1. Mary is _________ engineer. She works for ________ big company. A. an / a B. a / a C. an / theD. X / X 2. Peter plays __________ guitar very well. A. a B. anC. the D. X 3. _________ January is __________ first month of the year. A. the / XB. X / XC. the / theD. X / the 4. Look outside! __________ sky is getting dark. A. aB. theC. X D. an 5. We live in ___________ small house. It is ___________ most beautiful house. A. a / theB. the / aC. an / the D. the / an