We regret to（）that it may not be possi

1、We regret （） that we can’t accept your

We regret （） that we can’t accept your offer.Aof sayingBfor sayingCabout sayingDto say

2、We regret to report that a consignment

We regret to report that a consignment of silk piece goods（）Order No.567 has not been delivered．AwithBforConDunder

3、I regret（）that I'm unable to help you.

I regret（）that Im unable to help you.AsayingBto sayCsayDsaid

4、It’s also essential that we can not（）a

It’s also essential that we can not（）any marks mixed or damage to the cargo．AagreeBadoptCcheckDaccept

5、We regret（）to accept your terms of pay

We regret（）to accept your terms of payment and therefore have to return the order to you.AcannotBbeing unableCnot ableDnot be able

6、It is high time that we（）working to ta

It is high time that we（）working to take a break.Ashould stopBwould stopCstoppedDsto