Choose the word whose underlined part: from the other three in pronunciation schools, boys, terms, roofs

How to pronounce the ending “s”:

Rule 1: Pronounce /s/ when ending in -p, -k, -t, -f.

Rule 2: Pronounce /iz/ when it ends in -s,-ss,-ch,-sh,-x,-z,-o,-ge,-ce

Rule 3: Pronounce /z/ for the rest of the words

A. schoolS /skuːlz/

B. boyS /bɔɪz/

C. termS /tɜːmz/

D. roofS /ruːfs/

The “s” in the word “roofs” is pronounced /s/, in the rest it is pronounced /z/.

Answer: EASY