The fridge ?the food fresh 中间应该填什么加keep?
问题描述：
The fridge ?the food fresh 中间应该填什么加keep?
可以选
used to,be used to do, be used to doing
答
is uesd to keepused to表示过去曾经发生而现在停止了,不再发生.He used to get up early.(他过去起得早,现在不了.)be used to do被动语态表示被用来做...此句符合.be used to doing表示习惯于做.She is used to liv...