单项选择题
A、 bought last week B、 he bought week C、 which he bought it last week D、 he bought last week
A.At 6:00 a.m. B.At 6:00 p.m. C.At 6:30 a.m. D.At 6:30 p.m.
A.About 6. B.About 8. C.About 7. D.About 12.