---I’m leaving for Jenny’s birthday party. Are you coming along? ---I’m afraid ________.
They_____the train until it disappeared in the distance.
-Can I get you a cup of tea?--_____.
Professor White has written some short stories, but he is _____ known for his plays.
.Nobody noticed the thief slip into the house because the lights happened to_____.
If I had_____, I'd visit Europe, stopping at all the small interesting places.