Helen has two sisters and a brother.Her brothe is working,but---of her sisters are still at school.
题目
Helen has two sisters and a brother.Her brothe is working,but---of her sisters are still at school.
A neither B either C all D both
答案
举一反三
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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