a Complete with a or an. Write the plural.
singular
a
photo
1
window
2
key
3
identity card
4
country
5
watch
6
exercise
7
person
8
email
9
box
10
woman
plural
photos
b Write sentences with It's or They're (and a or an if necessary).
pen
buses
1 children
2 purse
3 men
4 umbrella
5 sunglasses
6 scissors
7 charger
8 diaries
9 coin
10 egg
It's a pen.
They're buses.
p.15