—The meat is________delicious.—Yes,but don’t eat________.
We had to _____our discussion because one of us suddenly got ill. A.take off B.turn off C.break off
— Would you mind my taking this seat? — ______. A.Sorry, I can’t B.No,not at all C.It’s a pleasure
— ____can we board our plane? — In twenty minutes. A.How soon B.How long C.How often
My e-mail______to you last night. Have you received it____? A.sent;yet B.is sent;already C.was sent;yet
Several days has passed_______the air crash(空难) happened. A.since B.after C.as