问题
选择题
--- Tony, you must have noticed the student who broke the glass．
--- I’m sorry．I attentively．
A．studied
B．was studying
C．am studying
D．would study
答案
答案：B
这题考查时态：句意是：--托尼，你一定注意是谁打坏了杯子。--对不起，我当时正在认真学习。说明在别人打坏杯子时，我正在专心学习。选B。