It was only after he had read the papers Mr. Gross realized the task Before him was extremely difficult to complete.
As soon as she entered the room, the girl caught sight of the flowers _________ by her mother.
--Alice, why didn't you come yesterday? --I _________, but I had an unexpected visitor.
--I'll be away on a business trip. Would you mind looking after my cat? --Not at all._________.
The clock has three hands _________.
This kind of weather isn't fit _________ us _________.