ⅰ.语法填空，单句训练 1．last year the number of students who graduated with a driving licence reached 200, 000, a(n) ________ of 40,000 per year. 答案：average 考查名词词义。句意：去年考过驾照的考生人数达到了20万，平均每年过4万。an average of“平均”。 2．(2015·冠县武训高中高三月考改编)children above 12 are able to take part in skiing or other activities ________(design) for children.
