The failure in physics seemed to have completely ______his confidence.
Professor Smith gave us a speech last month, ______he expressed his concern about the current global economic trends.
Susan came to the party yesterday, but it was already half past eight ______she turned up.
With all the work on hand, I ______to the cinema last night. How I regret it!
The two researchers originally set out to study the zebras in Africa and discovered a new species of tiger ______.
The police warned that anyone ______guilty of taking drugs in that country would be put in prison.