I remembered that I (had to)lock the door and so I locked it.请问ha_英语解答

I remembered that I (had to)lock the door and so I locked it.
请问had to这里是连用的吗?如果不是,那又是怎么理解的呢?
相同用法,有例句最好了~

人气：400 ℃　时间：2019-11-18 09:56:13

解答

have to do sth 不得不做.I remembered that I (had to)lock the door and so I locked it.我记得我必须把门关上,所以我关了门