Fill in the blank with the plural form of the nouns given in the bracket.
We need two _________ to make sandwiches for the picnic. (LOAF)

The correct answer is: Loaves

To make a plural of a word ending in -f, change the f to a v and add es. Similarly, if a word ends in -fe, change the 'f' to a 'v' and add an 's'. The result for both types is a plural that ends in '-ves'. 'We need two loaves to make sandwiches for the picnic', here the plural form of loaf is loaves, and it is an irregular noun.