2 Write the words in bold in the singular or the plural.
1 Flight attendants have short
- for safety reasons. hair
2 I've got some —
in my bag to eat on the plane. fruit
3 I went on over 10 __
- last year! plane
4 I'm a security guard, and I really enjoy my-
_! work
5 I think
teach you a lot. trip
6 Heathrow Airport has over 180,000
-a day! passenger