选出正确的复数形式:
childs
childrens
children
childes
下列哪个名词是不可数名词?
water
apple
book
chair
下列哪个名词的复数形式和其单数形式相同?
sheep
dog
man
idea
"She has three ____ in her bag." 填入空格的最佳选项是:
pen
pense
pens
penses
下列哪个名词的复数形式正确?
tooths
teeth
tooth
toothes
"The ____ is barking." 选择合适的单词填空:
dog
dog's
dogs
doges
下列哪个名词是专有名词?
city
river
teacher
New York
选出不规则复数形式的名词:
woman
book
computer
car
"There are many ____ in the park." 填入空格的最佳选项是:
child
childs
children
childrens
下列哪个名词可以是复数和单数形式相同?
deer
cat
house
cup