问题补充:
The doctor had to work for after twelve oclock.
A. two more hours
B. two another hour
C. more two hours
D. another two hour
答案:
(答案→)A. two more hours
B. two another hour
C. more two hours
D. another two hour
解析:句意:12点之后,医生还必须额外工作两小时。two more hours再多两个小时,故选A