第1个回答 2008-08-04
我一个人在家
I stay at home alone.
我和妹妹在家
I stay at home with my young sister.
我们三个人在家里
We three stay at home .
注意Three of us 是指超过三个人中的三个
第2个回答 2008-08-02
我一个人在家
I'm home alone.
我和妹妹在家
My sister and I are home.
我们三个人在家里。
Three of us are home.
第3个回答 2008-08-02
I am at home alone.
I am at home with my sister.
We three are at home.本回答被提问者采纳
第4个回答 2008-08-08
我一个人在家 / 我和妹妹在家
I am a person at home / I and sister at home
我们三个人在家里。
Three of us at home