Choosing what ______is no longer as easy as it once was, for people’s eating habits are changing,

________ how others react to the book you have just read creates an added pleasure.(2013·浙江，7)

It’s a bad habit to leave the work ______.

Mother told me ______ near the river.

Michael put up a picture of Yao Ming beside the bed to keep himself ________ of his own dreams.