Be careful not to ______ your bike with so many heavy bags.A. turn off B. take off C. fall off
He was walking along the streeta car hit him suddenly.
He ______ his father. They both like to help others.
Everyone was _________ when they heard the _______ news.
Don’ put off ________ a travel plan. It’s time for us to start.
Sara _____ a stomachache. So she ____ eat anything for twenty-four hours.