题目内容：

I have no brothers or sisters
I have no brothers or sisters.同义句
I am---

优质解答

I am the only child / one child / single child (kid) of my family .
关于“独生子”,在英语中没有特定含义的“独生子”就是one child,only child,single child(kid).
独生子女证的翻译：One-child certificate .