I'm sorry I ____ leave now.It's very late

I'm sorry I ____ leave now.It's very late I'm sorry.I ---go now.It's getting too late.横线上是填must 还是 hav --It‘s getting late.I'm afraid I must be going now.--OK.____ I say：I'm sorry it's too late. 同义句:I'm very sorry for coming late 改为I'm very sorry I ____ _ It’s very late.I _m___ go home now . it is very late I think I must leave now为什么 英语：情态动词题----Do you have to leave now?----I'm very sorry,but —It's getting late.I'm afraid I must go now.—OK.____ Asee yo Sorry,I'm very busy now. Sorry,I'm late.-----( I'm sorry ( ) late