--- Did you ask the guard _______ happened? --- Yes, he told me all _______ he knew.
We can't _________ his mistakes, which were made because he was too careless with his work.
Nobody could believe what Chloe says because she is ___________ changing her mind.
Would it be ___________ for you to pick me up at four o'clock and take me to the airport?
Occasions are rare _____________ I can spend a whole day with my daughter.
A few days after the interview, I received a letter ___________ me admission to the university.