Lucy is a high school student.A. 15 years oldB. 15-year-oldC. 15-years-old
The car over there isn’t _______.It belongs to ______.
If you have questions, you should ask the teacher _______ help.
Yesterday ___ 8-year-old boy fell into the river.____ boy was saved by ______policeman.
This pair of shoes ____________ $80.
Do you have ______________ to tell me?