Weregretto________thatitmaynotbepossibletodealwitheveryrequest.
A、putoffI'msorryIforgottowrite;Ihadsomuchelse________mymind.
________theconcerthadbegundidwerealizewhatasplendidshowitwasgoingtobe.
General Motors, one of the world's largest auto manufacturers, is expanding its ________ in this country.
Ifyouwanttofindadecentlocationforyourownhome,________Mr.Smithforadvice.
Only a(n) ________ few were invited to the dancing party.
