–It’ll take me at least 2 hours to do this! –Oh, ______! I could do it in 30 minutes.
This hotel can provide delicious food and comfortable room ___ all the guests.
--Can I get tickets for the conert? --___,Sold out
The doctor tried his best to save this patient.At last he began ___.
He was sitting in an armchair, ___ a novel
Only then ___ that he had made a mistake.