i would like to borrow your mp3 player.will you ______it this evening

问题描述:

i would like to borrow your mp3 player.will you ______it this evening
为什么要用不be using呢?用use不就可以吗

没有具体时间的话,用use完全可以.除非表示this evening的某个时间段,才可以使用will be using.