I have bought a Chinese – English dictionary?When and where you it?A. have bough

问题补充：

--- I have bought a Chinese – English dictionary?

--- When and where you it?

A. have, bought

B. did , buy

C. will, buy

D. do , buy

答案：

A. have, bought

(答案→)B. did , buy

C. will, buy

D. do , buy

解析：句意:-我买了一本汉英词典。-你什么时候在哪里买的？根据句意可知，这本词典已经买了，故买词典这件事是过去的事情，应该用一般过去时，故选B。A选项是现在完成时，表示过去发生的动作对现在的影响；C选项是一般将来时，表示还没发生的动作；D选项是一般现在时，表示经常性、习惯性的动作。