问题
选择题
______ should not be allowed to go out at night. [ ]
A. Twelve-years-old
B. Twelve-year-olds
C. Twelve year old
D. Twelve years olds
答案
答案：B
搜题请搜索小程序“爱下问搜题”
______ should not be allowed to go out at night. [ ]
A. Twelve-years-old
B. Twelve-year-olds
C. Twelve year old
D. Twelve years olds
答案：B