be used doing 、be used to do、 used to do造句、各造两句、要简单易懂的..
问题描述:
be used doing 、be used to do、 used to do造句、各造两句、要简单易懂的..
答
I am used to getting up early in the morning
Wood is used to make desks
I used to swim in a river in the past