Don't let him_____.横线上是随便填吗?

Don't let him_____.横线上是随便填吗?
Don't let him_____.横线上是随便填吗?

Don't let him_____.横线上是随便填吗?
是可以随便填一个动词,但要保证该动词是动词原形.(let sb do使某人做某事)
eg.let him go/sleep/stand…

go

只要是动词原型就可以了

我觉得除了动词原形外，也可以填副词或介词如：let him down，let him in，let him out不是也对吗？

down
别让他失望

我的第一感觉是填know.不要让他知道.