________ his arrival, he began to make preparations for the speech of the conference.
Sarah ______ change her mind, even though she knew the plan was hard to carry out.
I was made ______ four hours before I was examined by a doctor, which was really annoying.
George always does his best in school, and that’s ______ I like about him.
Extra boiling water should be kept at hand just ______ it is needed.
– You left your umbrella. – ______. I’m becoming so forgetful these days.