1.I really don't know if she _____ it when she ______.

问题描述:

1.I really don't know if she _____ it when she ______.
A:will find arrives B:will find ,will arrive C:finds,arrives D:finds,will arrive

A
因为find这件事情是在将来发生,所以,第一个空用will find,在英语中有这样一个规定,加入在主句中已经有将来时态的话,那么重句中用一般现在时代替将来时态,所以是用arrives,所以选择A