题目

单项填空；从A、B、C和D四个选项中，选出可以填入空白处的最佳选项。 ---Do you know Robert?           ----Yes, He is ________ university student. He likes sports and runs for ___________ hour every morning. A a; a       B a; an       C an; an        D an; a 答案：BThe city was completely d＿＿＿＿ by the earthquake.