名师教案：He spent about twenty-one hours in space
外研社课标版（三年级起点）六下Module 7Unit 1 He spent about twenty-one hours in space.名师教案【教学目标】（一）知识目标：学生能听懂、会认、会读
名师教案：He spent about twenty-one hours in space名师教案：He spent about twenty-one hours in space名师教案：He spent about twenty-one hours in space