We regret to ________ that it may not be possible to deal with every request.
A、putoffD
暂无解析
Becareful,_______you'llfalldown.
________tothepapersisrestrictedtoDefenseDepartmentpersonnelonly.
It________asashocktorealizethatIwasnotaloneintheroom.
Ababymightshowfearofanunfamiliaradult,_______heislikelytosmileandreachouttoanotherinfant.
________,Johnhasbeentoseveralforeigncountries.
