几道英语题目，大家帮忙翻译一下，谢谢各位哥哥姐姐

1. Make sure（务必）you lock the door of your room when you leave.
2.Detective Liu has recorded what the witness said（目击证人所说的话）.

—————————（务必）you lock the door of your room when you leave.
2.Detective Liu has recored ————————（目击证人所说的话）.

1 make sure whether/by all means should /in any situation should

2what the witness said

1. Be sure that
2. what the eyewitness said.

1. Make sure you lock the door of your room when you leave.
2. Detective liu has recorded what the witness has said.

1. Make sure
2. what the witness said

你走之前锁门了吗?