语法填空。 Jane was walking round the department store. She remembered how difficult 1______ was to choose a suitable Christmas present for her father. She wished that he was as easy 2______ (please) as her mother, who was always delighted with perfume. Besides, shopping at this time of the year was not 3______ pleasant experience: people stepped on your feet or 4______ (push) you with their elbows (肘部), hurrying ahead to get to a bargain. Jane paused in front of a counter 5______ some attractive ties were on display. 'They are real silk,' the assistant tried to attract her. 'Worth double the price.' But Jane knew from past experience that her 6______ (choose) of ties hardly ever pleased her father. Jane stopped where a small crowd of men had gathered. She found some good quality pipes 7______ sale. She did not hesitate for long: although her father smoked a pipe only once in a while, she knew that this was a present which was bound to please 8______. When Jane got home, with her small but well-chosen present in her bag, her parents were already 9______ table having supper. Her mother was excited. 'Your father has at last decided to stop smoking,' Jane 10______ (inform).