Choose the article 1. my grandfather is _ engineer a) the b) an c) a d) no article 2. do you want _ sandwich? a) a b) the c) no article d) an 3. her aunt lives in _ old house in french a) a b) the c) no article d) an 4.i'm writing _ to my friend a) a b) the c) no article d) an 5. walking in the park i saw _ very old man a) a b) the c) no article d) an