Lifetime is a three-level English video series for elementary, pre-intermediate, and intermediate students. It is a comedy 'soap' set in a TV news company. Each level consists of seven free-standing episodes, with an overall story-line to bind them together. It combines clear language teaching with an appealing comedy 'soap' story.
生命週期 - 1級（小學）
生命週期 - 2級（前中級）
生命週期 - 3級（中級）
