Thanks for the offer, but I am afraid I have an essay to finish.
It is very kind of you to invite ,but I am afraid I am busy tonight.
Well , tonight is not really convenient .How about next Friday?
I would love to , but I do not suppose I have time.
It is very nice of you to ask, but honestly, I really would not be able to.
It is very kind of you to invite me, but I have got a previous engagement.
It is very kind of you to invite ,but I am afraid I am busy tonight.
Well , tonight is not really convenient .How about next Friday?
I would love to , but I do not suppose I have time.
It is very nice of you to ask, but honestly, I really would not be able to.
It is very kind of you to invite me, but I have got a previous engagement.