I’m terribly sorry to turn you down this time, but I promise I will _________ to you next time.
I came back again,___ sure I had locked my door.
It is highly _ __ that, in many schools, they are going to spend less time in the classroom than they used to.
He is pleased with the way ___ you organized the party.
I knew __ a _ certain John Brown, but not ___ famous one.
Cooper wrote to the journal, ___.