问题补充：
Dear me! Just at the time! I no idea it was so late.
A. look, have
B. looking, had
C. look, had
D. looking, have
答案：
A. look, have
B. looking, had
(答案→)C. look, had
D. looking, have
解析：第一空应填 look, 因为这是祈使句的谓语；第二空应填 had，因为前一句说“看看时间吧”，这一看当然知道了现在很迟的情形，“不知道这么迟了”显然应是“过去”的事，故应用一般过去时态。
