___your father and mother at home?该填is或are?为什么?（Is） your father at home?为什么括号中填is?还有she wants to (write)an e-mail to her parents,为什么括号中填的不用加s?
来源：学生作业帮助网 编辑：作业帮 时间：2024/08/27 20:47:46
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