Aims:

1. Ability aims: To revise the useful words and expressions. 2. Knowledge aims: 1).Grasp the usage of such important expressions : common; as; lonely; connect; anyhow; have…in common; work out; go by; 2). Master the sentence pattern: It took+一段时间+before+从句(一般过去时) so/such. . . that引导结果状语从句