单项选择题
A.He had trouble working hard. B.He didn’t know where to go. C.He never went anywhere. D.He worked hard but never succeeded.
A.It was fairly successful. B.It was hard and futile. C.It failed for lack of fund. D.It stopped for lack of land.
A.6:56. B.7:00. C.7:28. D.8:38.