Combine the two sentences into one containing at least one absolute construction. For example: The station wagon sped away. The taillights disappeared into the distance. The two sentences are combined into one: The station wagon sped away, the taillights disappearing into the distance. 1. She stood back and looked at him. 2. Her face smiled radiantly.

First of all, the lights are very attractive. They are headlights, turning lights, fog lights, taillights ，brake lights and so on. These lights help drivers to have a good visibility in poor conditions and give singals to show the intentions.