It's too late.I must____(go)now.

It's too late.I must____(go)now.
It's too late.I must____(go)now.

It's too late.I must____(go)now.
go
这是道有关情态动词用法的题,情态动词主要有can,could,may,might,must,would等,这些词后面都应该是动词原形,所以答案是go.

It's too late.I must go (go)now.
用动词原形

go

就原型就行了
因为情态动词后面都是加的原型