出门时别忘了锁门。

Don't forget to ___lock the door when you go out.

如果你关上门，它会自动锁上。

If you shut the door, it will ___lock automatically.

昨天大约晚上11点10分，我去锁了我的车库。

Yesterday at about 11.10 p.m. I went to ___lock my garage.