I am anxious about what notes he made in the back of his diary ________ things to mend or replace.
The graduating students are busy _______ material for their reports.
I had to shout to make myself _______ above the noise.
.He walked down the hills, _______ softly to himself.
.At this moment the bell rang _______ the end of class.
The child sat in the dentist's chair _______.