Exercise 1. Complete the blanks with a/ an. ⇱
Question 1.
ugly dog
Question 2.
ink-pot
Question 3.
student
Question 4.
younger
Question 5.
old man
Question 6.
small apple
Question 7.
arm
Question 8.
ear
Question 9.
chair
Question 10.
cat
Question 11.
book
Question 12.
hour
Question 13.
pencil
Question 14.
eye
Question 15.
animal
Question 16.
girl
Question 17.
year
Question 18.
united person
Question 19.
box
Question 20.
computer