问题补充:
At the beginning, I found it hard to get up early. Now I it.
A. used to
B. am used to
C. use to
D. am used for
答案:
A. used to
(答案→)B. am used to
C. use to
D. am used for
解析:此题重点考查be used to doing sth、used to do sth 和be used for doing sth几个句型结构的区别和意义。be used to doing sth是习惯做某事,used to do sth表示过去常常做某事,现在不做了。be used for doing sth表示被用来做某事。根据语境可知选择B。