He didn‘t come back home until ten o’clock（）同义句） He ___ ____ at ten o'clock
问题描述：
He didn‘t come back home until ten o’clock（）同义句） He ___ ____ at ten o'clock
答
He didn‘t come back home until ten o’clock（）同义句） He _came__ __back__ at ten o'clock
这里not until表示直到.才的意思
所以翻译;他直到十点才回来