Exercise 2. Turn these plural nouns into singular nouns. ⇱

Question 1.
bases →
Question 2.
knives →
Question 3.
thieves →
Question 4.
apples →
Question 5.
roofs →
Question 6.
fish →
Question 7.
feet →
Question 8.
wives →
Question 9.
women →
Question 10.
pence →
Question 11.
lamps →
Question 12.
sandwiches →
Question 13.
roses →
Question 14.
tomatoes →
Question 15.
cats →
Question 16.
teeth →
Question 17.
geese →
Question 18.
cliffs →
Question 19.
pianos →
Question 20.
mouse →