Hiplet dancers are 12-18 years old, and are mostly ________.
举一反三
- Tom (be)18 years old next year.
- Mary is 18 years old this year; she ____19 next year.
- Will a young person under 18 years old be punished by law for ____________（犯罪） a crime?
- 4. The little boy is _________. A: four years old B: five years old C: six years old D: seven years old
- The old man is very healthy. I think he will live______. A: to be 100 years old B: 100 years old C: at 100 years old D: in 100 years old