1. …… lives are difficult.
a. Students’
b. Student’s
c. Students
d. Student
2. Bright ......... should start school as early as possible.
a. children
b. childs
c. childrens
d. children's
3. Michel and Ronald are …… names.
a. boy
b. boys
c. boy’s
d. boys’
4. "There are …… in my country house. Can you lend me your cat for a few days?
a. mouse
b. mouses
c. mice
d. mices