What is the plural form of "child"?
Which of the following is the plural form of "mouse"?
What is the plural form of "tooth"?
Which of the following is the plural form of "cactus"?
What is the plural form of "leaf"?
Which of the following is the plural form of "person"?
What is the plural form of "goose"?
Which of the following is the plural form of "ox"?
What is the plural form of "crisis"?
Which of the following is the plural form of "analysis"?