I used to . But now I get used to doing everything. I’m successful at last.A. give up; kee

问题补充：

I used to . But now I get used to doing everything. I’m successful at last.

A. give up; keeping B. giving up; keeping C. giving up; keep

答案：

解析：used to do sth 过去常常做某事。Used to doing sth 习惯了做某事。句意，我过去常常放弃。但是我现在习惯了坚持做每件事。我最终胜利了。