智慧职教: I am very sorry ____ you such a lot of trouble by the delayed shipment.
举一反三
- I am sorry (give) ___________ you so much trouble
- I am very sorry ______ you waiting here for long .
- 智慧职教: I am sorry to have kept you __________ (wait) for two hours.
- 智慧职教: It was very kind of you to ask me, but I am afraid that I will not be able to come.
- I am sorry ， but I have a question to ____ you ．