跟据所给单词完成句子

1. She _____ _____(forget) to bring her homework to school before the teacher called her parents.

2. When we got to the airport, the plane _____ _____(left).

3. I _____ _____(live) in Beijing for ten years before I came here.

4. Hello, I _____ _____(not know) you ______(be) in London, How long have you been there?

下列情形中，构成代替考试罪的是（）。

A.刘某让李某代替自己参加奥数竞赛考试

B.王某让朱某代替洪某参加某国企为招聘而组织的笔试

C.梁某代替谢某参加英语托福考试

D.贾某请任某代替自己参加注册会计师考试