---____ skirt is blue.____ is red. Which of them do you prefer?---______ is OK. I like their styles.
Mike is always open ________ suggestions from his fellow workers
At the age of nearly seventy, he set off ________ a -mile journey ________ a bicycle
The report noted that nicotine breathed in by a smoker increased the need of the heart ________ oxygen
I have decided to go on holiday ________
Her hair became gray ____ the passing of the years