4. fill in a, an or some where necessary. a. 1. we booked room in the grand hotel. 2. the police found glass from the broken window on the grass. 3. there is room for five people in my car. 4. she usually drinks glass of orange juice in the morning. 5. there was hair in my plate. 6. i need paper to write my notes on. 7. she has long blonde hair. 8. the eiffel tower is made of iron. 9. he decided to buy paper to read on the train. 10. i have got iron, but it is very old.