my parents have 20 balls.对划线部分提问.划线部分是20balls,谢谢.
问题描述:
my parents have 20 balls.
对划线部分提问.划线部分是20balls,谢谢.
答
my parents have 20 balls.
对划线部分提问.划线部分是20balls,谢谢.