The man would have been saved if a helicopter ______(be) available.
问题描述：
The man would have been saved if a helicopter ______(be) available.
空格里面的怎么填啊?万分感激啊.
答
had been谢谢。 刚才那句怎么翻译?还有就是。那if you come home late,you ________(find)the key under the mat . 这句怎么写？直升机要是早来那个人就有救了。if you come home late,you _will find_______(find)the key under the mat。