He is a _____ boy, so he can’t go to the park by himself.

He is a _____ boy, so he can’t go to the park by himself.

 He is a _____ boy, so he can’t go to the park by himself.

A. six-year-old   B. six year old          C. six-years-old    D. six years old

 He is a _____ boy, so he can’t go to the park by himself.

A. six-year-old   B. six year old          C. six-years-old    D. six years old

He is a _____ boy, so he can’t go to the park by himself.

1. A.
   six-year-old
2. B.
   six year old
3. C.
   six-years-old
4. D.
   six years old