Frank works hard and he often studied until at night和Frank works hard and he often studies late at night哪句话才是对的
问题描述：
Frank works hard and he often studied until at night和Frank works hard and he often studies late at night哪句话才是对的
要说明原因,不要只告诉我那句是对的,,谢谢啦
答
第二句是对的,第一句中until和at两个介词的使用是一个极大的错误,两个介词不可以一起使用,必须分开.