She would move quietly up to the sparrow on a small tree just to get a better look, her face __________ with childlike expressions at one of God’s simple wonders.
Please excuse me _______ your letter by mistake.
The film star walked to his car, ______ a crowd of journalists.
“Mum, why do you always make me eat an egg every day?” “________ enough protein and nutrition as you are growing up.”
_______ on time, this medicine will be quite effective.
“Where is David?” “He is upstairs ______ ready to go out.”