I'm sorry to misunderstand you.I ____ you _____ so serious.
I'm so sorry to you .
I'm very sorry _____ I didn't write to you earlier.A.so B.be
I'm sorry _____(cause) you so much trouble.
I’m sorry to _______ you to so much trouble.
I'm sorry to have kept you waiting so long 和i' m sorry to ke
I'm sorry to keep you waiting so long
I'm so sorry to hear that you fake it.
I'm sorry to have given you so much trouble.
I'm sorry to have kept you waiting so long.
I'm really sorry to telephone you so late.
——I'm sorry to have made you _____.
I'm sorry to trouble you .____ 请选择