A tourist will easily lose his way in Beijing ______ he has a map or a guide.
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.
—I have got a bad cold. I feel terrible. —