_____but I am afraid I must be off now.-See you.
---It's getting late .I am afraid I must be off now ----____
I am afarid I must be off now.
I am afraid I must be going
It is getting late.I am afraid I must be going now.
It is getting late. I am afraid I must be going now!
It is getting late.I am afraid I must be going now!OK,______
I am afraid I must be going与I am afraid I must go的区别
“I really must be off now?
--Must I leave for HongKong now ,manger ---I am afraid you (
I am afraid Mr. harding_____ see you now.He is busy.
I’m afraid you must
I am to be to see you