第1个回答 2019-11-23
monkey---monkeys holiday---holidays photo---photos piano---pianos radio---radios zoo---zoos;potato--potatoes tomato--tomatoes belief---beliefs roof---roofs safe---safes gulf---gulfs; knife---knives leaf---leaves wolf---wolves wife---wives life---lives thief---thieves; child---children foot---feet tooth---teeth mouse---mice man---men woman---women bus-buses watch-watches baby---babies safe---safes gulf---gulfs