题目内容:
All the_______in this school are taught by the same teacher.
A.six-year-olds
B.six-years-old
C.six-year-old
D.six-years-olds
参考答案:
答案解析:
All the_______in this school are taught by the same teacher.
A.six-year-olds
B.six-years-old
C.six-year-old
D.six-years-olds