1.
Brush
Correct Answer
A. Brushes
Explanation
The word "brush" is a noun that refers to a tool used for cleaning or grooming. In the given options, "brushes" is the correct plural form of the word. It follows the standard English rule of adding "-es" to form the plural of nouns ending in "s" or "sh". The other options "brushs" and "brushess" are incorrect because they do not follow the pluralization rule.
2.
Piano
Correct Answer
B. Pianos
Explanation
The word "pianos" is the correct answer because it is the plural form of "piano." The given list includes variations of the word "piano," but only "pianos" is the correct plural form.
3.
Goose
Correct Answer
C. Geese
Explanation
The word "goose" is the singular form, while "geese" is the plural form. In English, many nouns form their plurals by adding -s or -es to the singular form. In this case, "goose" becomes "geese" in the plural form. Therefore, "geese" is the correct answer.
4.
Crisis
Correct Answer
A. Crises
Explanation
The word "crisis" is a noun that refers to a difficult or dangerous situation. When pluralized, it becomes "crises" which is the correct plural form. "Crises" indicates multiple difficult or dangerous situations, while "crisis" is singular. "Crisises" and "crisees" are incorrect forms and do not exist in the English language.
5.
Syllabus
Correct Answer
C. Syllabi
Explanation
The correct answer is "syllabi" because it is the plural form of "syllabus." When referring to multiple syllabus documents, the word "syllabi" is used. The other options, "syllabuses" and "syllabes," are not commonly used or accepted plural forms of "syllabus."
6.
Criterion
Correct Answer
B. Criteria
Explanation
The word "criterion" is a singular noun that refers to a standard or principle used for judgment or evaluation. When referring to multiple standards or principles, the plural form "criteria" is used. Therefore, the correct answer is "criteria." The other options, "criterions" and "criterian," are incorrect as they do not follow the standard plural form of the word.
7.
Memorandum
Correct Answer
B. Memoranda
Explanation
The correct answer is "memoranda" because "memorandum" is a Latin word that follows the plural form of Latin nouns, which is "a" in this case. Therefore, the plural form of "memorandum" is "memoranda."
8.
Formula
Correct Answer
A. Formulae
Explanation
The correct answer is "formulae" because it is the plural form of "formula." In English, when a word ends in "-um," the plural form is usually created by changing the "-um" to "-a" or "-e." Therefore, "formula" becomes "formulae" in its plural form. The other options, such as "formulas" and "formulaes," are incorrect plural forms of the word.
9.
Aircraft
Correct Answer
B. Aircraft
Explanation
The correct answer is "aircraft". The word "aircraft" is the plural form of "aircraft" itself. It is used to refer to more than one airplane or any flying vehicle. The other options "aircrafts", "aircraftes", and "aircrafti" are incorrect as they do not follow the standard rules of forming plurals in English.
10.
Son-in-law
Correct Answer
C. Sons-in-law
Explanation
The correct answer is "sons-in-law" because it is the plural form of "son-in-law." In this case, multiple sons-in-law are being referred to, so the plural form is used.
11.
Baby
Correct Answer
A. Babies
Explanation
The correct answer is "babies" because it is the plural form of the word "baby." The other options, "babys" and "babyes," are not correct plural forms.
12.
Half
Correct Answer
C. Halves
Explanation
The correct answer is "halves". This is the plural form of "half", which means dividing something into two equal parts. The other options, "halfs", "halfes", and "half" are incorrect because they do not follow the standard rules for forming plurals in English.
13.
Man servant
Correct Answer
B. Men servants
Explanation
The correct answer is "men servants" because the plural form of "man servant" is "men servants". In English, when referring to multiple male servants, the word "men" is used as the plural form of "man". Therefore, "men servants" is the correct way to denote multiple male servants.
14.
Child
Correct Answer
A. Children
Explanation
The word "children" is the plural form of "child". In English, when we refer to more than one child, we use the word "children". Therefore, "children" is the correct answer in this case. The words "child", "childs", and "childrens" are either singular or incorrect forms, and do not represent the plural form of "child".
15.
Ox
Correct Answer
B. Oxen
Explanation
The word "oxen" is the plural form of the noun "ox". In English, when a noun ends in -x, the plural form is usually formed by changing the -x to -ces. However, the word "ox" follows an irregular pluralization rule where the -en suffix is added instead. Therefore, "oxen" is the correct plural form of "ox".