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___your father and mother at home?该填is或are?为什么?

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___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?
___your father and mother at home?该填is或are?为什么?
1.__your father and mother at home?该填is或are?为什么?
答案:Are
解析:主语是your father and mother,复数用 are
2.(Is) your father at home?为什么括号中填is?
答案:Is
解析:主语是your father,第三人称单数,用单数is
be动词的一般现在时:I am; you are; he/ she/ it 用is; 复数用 are
3.she wants to (write)an e-mail to her parents
结构:want to do sth.想做某事,所以write 不加s
不明白的再问哟,请及时采纳,多谢!
再问: she wants to (write)an e-mail to her parents,为什么括号中填的不用加s?O(∩_∩)O谢谢!
再答: she wants to (write)an e-mail to her parents 她想给父母写电子邮件 want to do sth. 想做某事,want 后已经有to,所以填 write