I can't remember when exactly the Robinsons left city I only remember it was Monday.A. t

问题补充：

I can remember when exactly the Robinsons left city, I only remember it was Monday.

A. the , a

B. a , the

C. a, a

D. the, the

答案：

(答案→)A. the , a

B. a , the

C. a, a

D. the, the

解析：表示特定的事物，用定冠词the；“一个星期一”，是泛指，故用不定冠词“a”。