Weshouldbepleasedtosendyousomesamplesofournewtypewriteronapproval,______ourownexpense.
A、atWe regret we cannot____you in this respect.
For this reason, we can ’t but .___your proposal.
Ourbankoffersminimuminterest______forsellerfinancingandforloansofcash.
Takingintoconsiderationourlong-standingbusinessrelationswithyou,weaccept___byD/P.
To comply with your request, we are quoting you _____.